| N0000000126 | 5-alpha Reductase Inhibitors | [MoA] | 95 |
| N0000175770 | Acetylcholine Release Inhibitors | [MoA] | 19 |
| N0000175788 | Adenosine Receptor Agonists | [MoA] | 33 |
| N0000175921 | Adrenal Steroid Synthesis Inhibitors | [MoA] | 1 |
| N0000009917 | Adrenergic alpha1-Agonists | [MoA] | 51 |
| N0000009922 | Adrenergic beta2-Agonists | [MoA] | 219 |
| N0000000161 | Adrenergic beta-Antagonists | [MoA] | 1090 |
| N0000175883 | Adrenergic Receptor Agonist | [EPC] | 6 |
| N0000175941 | Adrenocorticotropic Hormone | [EPC] | 7 |
| N0000175679 | Aldehyde Dehydrogenase Inhibitor | [EPC] | 8 |
| N0000011310 | Aldosterone Antagonists | [MoA] | 163 |
| M0000712 | Alkaline Phosphatase | [CS] | 4 |
| N0000175558 | Alkylating Drug | [EPC] | 204 |
| M0000728 | Allergens | [CS] | 4527 |
| N0000171131 | Allergens | [Chemical/Ingredient] | 50 |
| N0000175874 | Allylamine Antifungal | [EPC] | 47 |
| N0000175552 | alpha-Adrenergic Agonist | [EPC] | 244 |
| N0000175553 | alpha-Adrenergic Blocker | [EPC] | 519 |
| N0000175559 | alpha-Glucosidase Inhibitor | [EPC] | 34 |
| N0000187052 | alpha-Particle Emitting Activity | [MoA] | 1 |
| M0000922 | Amino Acids | [CS] | 31 |
| M0000946 | Aminoglycosides | [CS] | 192 |
| M0000971 | Aminosalicylic Acids | [CS] | 64 |
| N0000020016 | AMPA Receptor Antagonists | [MoA] | 7 |
| N0000177910 | Amylin Analog | [EPC] | 2 |
| N0000175452 | Analogs/Derivatives | [Chemical/Ingredient] | 94 |
| N0000175824 | Androgen | [EPC] | 109 |
| N0000175560 | Androgen Receptor Inhibitor | [EPC] | 18 |
| M0001109 | Androstanes | [CS] | 109 |
| N0000175561 | Angiotensin 2 Receptor Blocker | [EPC] | 1151 |
| N0000000181 | Angiotensin-converting Enzyme Inhibitors | [MoA] | 960 |
| M0370530 | Animal Fur | [CS] | 25 |
| N0000192702 | Anthrax Protective Antigen-directed Antibody Interactions | [MoA] | 3 |
| N0000170890 | Anthrax Vaccines | [Chemical/Ingredient] | 1 |
| N0000175426 | Antiarrhythmic | [EPC] | 688 |
| M0001352 | Antibodies | [CS] | 2 |
| N0000178374 | Antidiarrheal | [EPC] | 38 |
| N0000175429 | Antidote | [EPC] | 35 |
| N0000175753 | Anti-epileptic Agent | [EPC] | 1149 |
| N0000190851 | Antileishmanial | [EPC] | 1 |
| N0000175482 | Antimalarial | [EPC] | 115 |
| N0000180853 | Antimetabolite | [EPC] | 18 |
| N0000175613 | Antimetabolite Immunosuppressant | [EPC] | 61 |
| N0000175483 | Antimycobacterial | [EPC] | 44 |
| N0000175485 | Antiprotozoal | [EPC] | 39 |
| N0000175713 | Antirheumatic Agent | [EPC] | 75 |
| M0001511 | Antitoxins | [CS] | 1 |
| N0000184162 | Antivenin | [EPC] | 5 |
| N0000170922 | Antivenins | [Chemical/Ingredient] | 4 |
| M0001517 | Antivenins | [CS] | 1 |
| N0000175080 | Aromatase Inhibitors | [MoA] | 60 |
| N0000175564 | Arteriolar Vasodilator | [EPC] | 150 |
| M0001797 | Ascorbic Acid | [CS] | 97 |
| N0000175669 | Asparagine-specific Enzyme | [EPC] | 2 |
| N0000175430 | Atypical Antipsychotic | [EPC] | 1226 |
| M0002083 | Azoles | [CS] | 351 |
| N0000182636 | B Lymphocyte Stimulator-directed Antibody Interactions | [MoA] | 3 |
| M0002177 | Barbiturates | [CS] | 96 |
| M0002274 | Bee Venoms | [CS] | 18 |
| N0000175680 | Benzodiazepine Antagonist | [EPC] | 18 |
| M0002356 | Benzodiazepines | [CS] | 938 |
| M0483511 | Benzothiazoles | [CS] | 10 |
| M0002392 | Benzylamines | [CS] | 1 |
| N0000000202 | beta Lactamase Inhibitors | [MoA] | 284 |
| N0000175779 | beta2-Adrenergic Agonist | [EPC] | 219 |
| N0000175555 | beta-Adrenergic Agonist | [EPC] | 177 |
| N0000175556 | beta-Adrenergic Blocker | [EPC] | 1222 |
| M0002471 | Biguanides | [CS] | 521 |
| M0002475 | Bile Acids and Salts | [CS] | 43 |
| N0000175365 | Bile-acid Binding Activity | [MoA] | 39 |
| N0000180183 | Bismuth | [EPC] | 1 |
| M0002684 | Blood Coagulation Factors | [CS] | 21 |
| M0002832 | Boron Compounds | [CS] | 1 |
| N0000182964 | Bradykinin B2 Receptor Antagonists | [MoA] | 6 |
| N0000190113 | Breast Cancer Resistance Protein Inhibitors | [MoA] | 87 |
| N0000175458 | Calcineurin Inhibitors | [MoA] | 111 |
| N0000175942 | Calcitonin | [EPC] | 3 |
| N0000175566 | Calcium Channel Blocker | [EPC] | 382 |
| N0000175089 | Calcium Chelating Activity | [MoA] | 177 |
| M0003267 | Cannabinoids | [CS] | 32 |
| N0000184143 | Carbamoyl Phosphate Synthetase 1 Activators | [MoA] | 1 |
| N0000000235 | Carbonic Anhydrase Inhibitors | [MoA] | 109 |
| M0003411 | Carboxypeptidases | [CS] | 1 |
| M0003451 | Cardiac Glycosides | [CS] | 60 |
| N0000175903 | Carnitine Analog | [EPC] | 13 |
| M0003590 | Caseins | [CS] | 4 |
| N0000175361 | Catecholamine Synthesis Inhibitors | [MoA] | 3 |
| M0003647 | Catecholamines | [CS] | 173 |
| N0000175757 | Catechol-O-Methyltransferase Inhibitor | [EPC] | 52 |
| N0000175078 | CD20-directed Antibody Interactions | [MoA] | 13 |
| N0000175657 | CD20-directed Cytolytic Antibody | [EPC] | 13 |
| N0000175077 | CD33-directed Antibody Interactions | [MoA] | 1 |
| N0000175659 | CD52-directed Cytolytic Antibody | [EPC] | 2 |
| N0000182151 | CD86-directed Antibody Interactions | [MoA] | 1 |
| N0000175554 | Central alpha-2 Adrenergic Agonist | [EPC] | 423 |
| N0000175728 | Central Nervous System Depression | [PE] | 158 |
| N0000175729 | Central Nervous System Stimulation | [PE] | 1343 |
| N0000175730 | Centrally-mediated Muscle Relaxation | [PE] | 511 |
| M0003827 | Cephalosporins | [CS] | 561 |
| N0000000087 | Chelating Activity | [MoA] | 7 |
| N0000175445 | Chemokine Co-receptor 5 Antagonists | [MoA] | 5 |
| N0000175456 | Chloride Channel Activators | [MoA] | 3 |
| N0000175798 | Cholecystokinin Analog | [EPC] | 1 |
| N0000175370 | Cholinergic Antagonists | [MoA] | 466 |
| N0000000104 | Cholinergic Muscarinic Agonists | [MoA] | 71 |
| N0000000125 | Cholinergic Muscarinic Antagonists | [MoA] | 344 |
| N0000175884 | Cholinergic Receptor Agonist | [EPC] | 39 |
| N0000000177 | Cholinesterase Inhibitors | [MoA] | 303 |
| N0000000080 | Cholinesterase Reactivators | [MoA] | 2 |
| M0029561 | Chondrocytes | [CS] | 1 |
| N0000175843 | Collagen-specific Enzyme | [EPC] | 1 |
| N0000175974 | Complement Inhibitors | [MoA] | 2 |
| N0000175450 | Corticosteroid Hormone Receptor Agonists | [MoA] | 1833 |
| N0000175939 | Cyclooxygenase Inhibitor | [EPC] | 126 |
| N0000175549 | Cystine Disulfide Reduction | [MoA] | 10 |
| N0000182633 | Cytochrome P450 17A1 Inhibitor | [EPC] | 22 |
| N0000191624 | Cytochrome P450 1A Inducers | [MoA] | 13 |
| N0000182138 | Cytochrome P450 1A2 Inhibitors | [MoA] | 148 |
| N0000187064 | Cytochrome P450 2B6 Inducers | [MoA] | 242 |
| N0000185607 | Cytochrome P450 2C19 Inducers | [MoA] | 210 |
| N0000182140 | Cytochrome P450 2C19 Inhibitors | [MoA] | 794 |
| N0000187062 | Cytochrome P450 2C8 Inhibitors | [MoA] | 384 |
| N0000185507 | Cytochrome P450 2C9 Inducers | [MoA] | 280 |
| N0000185504 | Cytochrome P450 2C9 Inhibitors | [MoA] | 461 |
| N0000191267 | Cytochrome P450 2D6 Inducers | [MoA] | 79 |
| N0000182137 | Cytochrome P450 2D6 Inhibitors | [MoA] | 320 |
| N0000190118 | Cytochrome P450 3A Inducers | [MoA] | 174 |
| N0000190114 | Cytochrome P450 3A Inhibitors | [MoA] | 363 |
| N0000185506 | Cytochrome P450 3A4 Inducers | [MoA] | 499 |
| N0000182141 | Cytochrome P450 3A4 Inhibitors | [MoA] | 792 |
| N0000190115 | Cytochrome P450 3A5 Inhibitors | [MoA] | 51 |
| N0000180854 | Cytoprotective Agent | [EPC] | 39 |
| N0000175844 | Decarboxylase Inhibitors | [MoA] | 1 |
| N0000175644 | Decreased Autonomic Ganglionic Activity | [PE] | 3 |
| N0000178477 | Decreased Blood Pressure | [PE] | 307 |
| N0000008476 | Decreased Cell Membrane Integrity | [PE] | 1 |
| N0000008478 | Decreased Cell Wall Integrity | [PE] | 45 |
| N0000008479 | Decreased Cell Wall Synthesis & Repair | [PE] | 32 |
| N0000008486 | Decreased Central Nervous System Disorganized Electrical Activity | [PE] | 1711 |
| N0000008501 | Decreased Central Nervous System Organized Electrical Activity | [PE] | 5 |
| N0000175529 | Decreased Copper Ion Absorption | [PE] | 40 |
| N0000175632 | Decreased Fibrinolysis | [PE] | 52 |
| N0000008652 | Decreased Glycolysis | [PE] | 8 |
| N0000175628 | Decreased Histamine Release | [PE] | 59 |
| N0000175550 | Decreased Immunologic Activity | [PE] | 40 |
| N0000008663 | Decreased Immunologically Active Molecule Activity | [PE] | 4 |
| N0000008683 | Decreased Leukotriene Production | [PE] | 5 |
| N0000008732 | Decreased Mitosis | [PE] | 15 |
| N0000008832 | Decreased Platelet Aggregation | [PE] | 212 |
| N0000009982 | Decreased Sebaceous Gland Activity | [PE] | 361 |
| N0000175532 | Demulcent Activity | [MoA] | 1 |
| M0006020 | Deoxyuridine | [CS] | 2 |
| M0582947 | Diarylquinolines | [CS] | 2 |
| N0000175911 | Dietary Cholesterol Absorption Inhibitor | [EPC] | 77 |
| M0006342 | Dietary Proteins | [CS] | 389 |
| N0000000191 | Dihydrofolate Reductase Inhibitors | [MoA] | 173 |
| N0000185501 | Dihydroorotate Dehydrogenase Inhibitors | [MoA] | 7 |
| M0006414 | Dihydropyridines | [CS] | 707 |
| N0000175913 | Dipeptidyl Peptidase 4 Inhibitor | [EPC] | 67 |
| N0000175912 | Dipeptidyl Peptidase 4 Inhibitors | [MoA] | 67 |
| M0006519 | Diphosphonates | [CS] | 149 |
| M0006523 | Diphtheria Toxoid | [CS] | 16 |
| N0000175800 | Dopamine-2 Receptor Antagonist | [EPC] | 69 |
| N0000175580 | Dopaminergic Agonist | [EPC] | 16 |
| N0000175533 | Dyes | [MoA] | 13 |
| N0000009034 | Emesis Suppression | [PE] | 79 |
| N0000175364 | Endothelin Receptor Antagonists | [MoA] | 50 |
| N0000192345 | Epoxide Hydrolase Inhibitors | [MoA] | 7 |
| N0000175827 | Ergot Derivative | [EPC] | 30 |
| M0007665 | Ergotamines | [CS] | 16 |
| N0000000100 | Estrogen Receptor Agonists | [MoA] | 242 |
| M0008146 | Factor VIII | [CS] | 1 |
| N0000175637 | Factor Xa Inhibitor | [EPC] | 55 |
| N0000175635 | Factor Xa Inhibitors | [MoA] | 55 |
| N0000192560 | Farnesoid X Receptor Agonists | [MoA] | 2 |
| M0372253 | Fluoroquinolones | [CS] | 2 |
| N0000175584 | Folate Analog Metabolic Inhibitor | [EPC] | 73 |
| M0008658 | Folic Acid | [CS] | 74 |
| N0000000111 | Folic Acid Metabolism Inhibitors | [MoA] | 70 |
| M0008672 | Food Additives | [CS] | 27 |
| N0000000170 | Free Radical Scavenging Activity | [MoA] | 2 |
| N0000185015 | Fruit Proteins | [EXT] | 63 |
| M0008890 | Fungal Proteins | [CS] | 1035 |
| N0000175759 | gamma-Aminobutyric Acid-ergic Agonist | [EPC] | 249 |
| M0081434 | gamma-Cyclodextrins | [CS] | 3 |
| N0000175975 | General Anesthesia | [PE] | 126 |
| N0000175681 | General Anesthetic | [EPC] | 82 |
| N0000020058 | Glucagon-like Peptide-1 (GLP-1) Agonists | [MoA] | 21 |
| M0009360 | Glucosylceramidase | [CS] | 3 |
| N0000020019 | Glucosylceramide Synthase Inhibitors | [MoA] | 5 |
| M0009417 | Glycerol | [CS] | 2 |
| N0000191499 | Glycolipid Disialoganglioside-directed Antibody Interactions | [MoA] | 1 |
| M0009481 | Glycopeptides | [CS] | 101 |
| M0009496 | Glycosaminoglycans | [CS] | 1 |
| M0009499 | Glycoside Hydrolases | [CS] | 14 |
| N0000175654 | Gonadotropin Releasing Hormone Receptor Agonists | [MoA] | 6 |
| N0000175084 | Gonadotropin Releasing Hormone Receptor Antagonists | [MoA] | 2 |
| M0009540 | Gonadotropins | [CS] | 7 |
| N0000185016 | Grain Proteins | [EXT] | 27 |
| N0000193786 | Growth Hormone Secretagogue Receptor Agonists | [MoA] | 1 |
| N0000185499 | Guanylate Cyclase Activators | [MoA] | 5 |
| N0000009065 | Hematologic Activity Alteration | [PE] | 15 |
| N0000020010 | HER1 Antagonists | [MoA] | 5 |
| N0000020008 | HER2/Neu/cerbB2 Antagonists | [MoA] | 12 |
| M0491099 | Herpes Zoster Vaccine | [CS] | 4 |
| N0000000207 | Histamine Receptor Antagonists | [MoA] | 278 |
| N0000175587 | Histamine-1 Receptor Antagonist | [EPC] | 157 |
| N0000175519 | Histamine-1 Receptor Inhibitor | [EPC] | 41 |
| N0000175784 | Histamine-2 Receptor Antagonist | [EPC] | 241 |
| N0000175071 | Histone Deacetylase Inhibitors | [MoA] | 10 |
| M0006896 | House Dust | [CS] | 1 |
| M0028842 | Human Growth Hormone | [CS] | 11 |
| N0000175887 | Human Immunodeficiency Virus Integrase Strand Transfer Inhibitor | [EPC] | 22 |
| N0000175820 | Hydrolytic Lysosomal Glucocerebroside-specific Enzyme | [EPC] | 4 |
| N0000175821 | Hydrolytic Lysosomal Glycogen-specific Enzyme | [EPC] | 1 |
| N0000175823 | Hydrolytic Lysosomal Glycosaminoglycan-specific Enzyme | [EPC] | 4 |
| N0000175822 | Hydrolytic Lysosomal Neutral Glycosphingolipid-specific Enzyme | [EPC] | 2 |
| N0000000121 | Hydroxymethylglutaryl-CoA Reductase Inhibitors | [MoA] | 1053 |
| N0000175808 | Hydroxyphenylpyruvate Dioxygenase Inhibitors | [MoA] | 11 |
| N0000191546 | Hyperpolarization-activated Cyclic Nucleotide-gated Channel Antagonists | [MoA] | 3 |
| N0000175792 | IgE-directed Antibody Interactions | [MoA] | 3 |
| M0461078 | Imidazolines | [CS] | 4 |
| M0028142 | Immunoconjugates | [CS] | 2 |
| M0011122 | Immunoglobulins | [CS] | 75 |
| N0000009079 | Increased Acetylcholine Activity | [PE] | 1 |
| N0000178478 | Increased Blood Pressure | [PE] | 3 |
| N0000020081 | Increased Calcium-sensing Receptor Sensitivity | [MoA] | 52 |
| N0000009176 | Increased Cellular Death | [PE] | 6 |
| N0000009319 | Increased Erythroid Cell Production | [PE] | 46 |
| N0000178324 | Increased Hematopoietic Stem Cell Mobilization | [PE] | 1 |
| N0000185001 | Increased IgG Production | [PE] | 3872 |
| N0000009357 | Increased Immunologically Active Molecule Activity | [PE] | 2 |
| N0000009456 | Increased Norepinephrine Activity | [PE] | 301 |
| N0000009531 | Increased Protein Breakdown | [PE] | 1 |
| N0000175651 | Increased Sympathetic Activity | [PE] | 247 |
| N0000182157 | Increased T Lymphocyte Activation | [PE] | 2 |
| M0011310 | Influenza Vaccines | [CS] | 1 |
| N0000175830 | Inhibit Ovum Fertilization | [PE] | 23 |
| N0000009724 | Inhibition Gastric Acid Secretion | [PE] | 84 |
| N0000009726 | Inhibition Large Intestine Fluid/Electrolyte Absorption | [PE] | 918 |
| N0000175944 | Insulin | [EPC] | 6 |
| N0000175453 | Insulin Analog | [EPC] | 77 |
| N0000175774 | Integrin Receptor Antagonists | [MoA] | 2 |
| N0000000157 | Interferon Inducers | [MoA] | 16 |
| N0000006710 | Interferon-alpha | [Chemical/Ingredient] | 1 |
| M0025711 | Interferon-alpha | [CS] | 15 |
| M0011490 | Interferon-gamma | [CS] | 1 |
| N0000193802 | Interleukin 5 Receptor alpha-directed Antibody Interactions | [MoA] | 2 |
| N0000175710 | Interleukin-1 Receptor Antagonist | [EPC] | 1 |
| N0000191494 | Interleukin-17A Antagonists | [MoA] | 3 |
| N0000175622 | Interleukin-2 Receptor Blocking Antibody | [EPC] | 2 |
| N0000192798 | Interleukin-23 Antagonists | [MoA] | 5 |
| N0000191871 | Interleukin-5 Antagonists | [MoA] | 3 |
| N0000191004 | Interleukin-6 Antagonists | [MoA] | 4 |
| N0000190480 | Interleukin-6 Receptor Antagonist | [EPC] | 9 |
| M0011718 | Iron | [CS] | 32 |
| N0000175522 | Iron Chelator | [EPC] | 95 |
| N0000175534 | Irrigation | [MoA] | 1 |
| N0000193614 | Isocitrate Dehydrogenase 2 Inhibitors | [MoA] | 2 |
| N0000190857 | Janus Kinase Inhibitors | [MoA] | 10 |
| N0000184151 | Kallikrein Inhibitors | [MoA] | 2 |
| N0000175082 | Kinase Inhibitors | [MoA] | 29 |
| N0000175963 | Lead Chelator | [EPC] | 5 |
| N0000170333 | Leptin | [Chemical/Ingredient] | 1 |
| N0000175666 | Leukocyte Growth Factor | [EPC] | 24 |
| N0000000083 | Leukotriene Receptor Antagonists | [MoA] | 133 |
| M0515779 | Lincosamides | [CS] | 267 |
| N0000009916 | Lipase Inhibitors | [MoA] | 1 |
| M0012553 | Lipids | [CS] | 13 |
| N0000191280 | Lipoglycopeptides | [EXT] | 4 |
| M0519359 | Lipopeptides | [CS] | 58 |
| N0000175976 | Local Anesthesia | [PE] | 615 |
| N0000175539 | Local Anesthetic | [EPC] | 12 |
| N0000175590 | Loop Diuretic | [EPC] | 273 |
| N0000175586 | Low Molecular Weight Heparin | [EPC] | 118 |
| N0000192700 | Lymphocyte Function-Associated Antigen-1 Antagonists | [MoA] | 2 |
| N0000175667 | Lymphocyte Growth Factor | [EPC] | 3 |
| N0000193804 | Lysosomal beta Glucuronidase | [EPC] | 1 |
| N0000175542 | M2 Protein Inhibitors | [MoA] | 48 |
| N0000175431 | Macrolide Antibacterial | [EPC] | 2 |
| M0028311 | Macrolides | [CS] | 354 |
| N0000175834 | Magnesium Ion Exchange Activity | [MoA] | 134 |
| N0000175862 | Magnetic Resonance Contrast Activity | [MoA] | 32 |
| N0000175630 | Mast Cell Stabilizer | [EPC] | 19 |
| M0013153 | Measles Vaccine | [CS] | 3 |
| N0000185017 | Meat Proteins | [EXT] | 34 |
| N0000175850 | Melanin Synthesis Inhibitors | [MoA] | 68 |
| N0000000250 | Melatonin Receptor Agonists | [MoA] | 11 |
| N0000175473 | Metal Chelator | [EPC] | 15 |
| N0000175805 | Methylating Agent | [EPC] | 4 |
| N0000175085 | Microtubule Inhibition | [PE] | 90 |
| N0000175592 | Microtubule Inhibitor | [EPC] | 77 |
| M0013890 | Milk Proteins | [CS] | 6 |
| N0000000184 | Monoamine Oxidase Inhibitors | [MoA] | 35 |
| N0000175761 | Monoamine Oxidase-B Inhibitors | [MoA] | 11 |
| M0014030 | Monobactams | [CS] | 8 |
| N0000175751 | Mood Stabilizer | [EPC] | 613 |
| N0000175624 | mTOR Inhibitors | [MoA] | 40 |
| N0000175671 | Mucocutaneous Epithelial Cell Growth Factor | [EPC] | 1 |
| M0014203 | Mumps Vaccine | [CS] | 3 |
| N0000175737 | Muscle Relaxant | [EPC] | 450 |
| N0000191727 | Neprilysin Inhibitors | [MoA] | 3 |
| N0000175436 | Neuraminidase Inhibitors | [MoA] | 1 |
| N0000175733 | Neuromuscular Depolarizing Blockade | [PE] | 23 |
| M0014836 | Nicotine | [CS] | 2 |
| M0014839 | Nicotinic Acids | [CS] | 42 |
| M0014892 | Nitrofurans | [CS] | 159 |
| N0000175807 | Nitrogen Binding Agent | [EPC] | 27 |
| M0014901 | Nitrogen Mustard Compounds | [CS] | 1 |
| M0014907 | Nitroimidazoles | [CS] | 179 |
| N0000175745 | N-methyl-D-aspartate Receptor Antagonist | [EPC] | 132 |
| N0000175720 | Nondepolarizing Neuromuscular Blocker | [EPC] | 94 |
| N0000175768 | Nonergot Dopamine Agonist | [EPC] | 312 |
| N0000175796 | Non-narcotic Antitussive | [EPC] | 135 |
| N0000009948 | Non-Nucleoside Reverse Transcriptase Inhibitors | [MoA] | 48 |
| N0000175722 | Nonsteroidal Anti-inflammatory Drug | [EPC] | 1613 |
| N0000000102 | Norepinephrine Uptake Inhibitors | [MoA] | 915 |
| N0000175697 | N-type Calcium Channel Antagonist | [EPC] | 6 |
| N0000000233 | Nucleic Acid Synthesis Inhibitors | [MoA] | 264 |
| N0000175467 | Nucleoside Analog Antifungal | [EPC] | 20 |
| N0000175466 | Nucleoside Analog Antiviral | [EPC] | 52 |
| N0000175595 | Nucleoside Metabolic Inhibitor | [EPC] | 234 |
| N0000009947 | Nucleoside Reverse Transcriptase Inhibitors | [MoA] | 285 |
| N0000185019 | Nut Proteins | [EXT] | 37 |
| N0000175583 | Omega-3 Fatty Acid | [EPC] | 28 |
| N0000175690 | Opioid Agonist | [EPC] | 1484 |
| N0000000174 | Opioid Agonists | [MoA] | 311 |
| N0000000154 | Opioid Antagonists | [MoA] | 140 |
| N0000191866 | Opioid mu-Receptor Agonists | [MoA] | 2 |
| N0000190107 | Organic Anion Transporting Polypeptide 1B1 Inhibitors | [MoA] | 36 |
| N0000190108 | Organic Anion Transporting Polypeptide 1B3 Inhibitors | [MoA] | 20 |
| N0000190109 | Organic Anion Transporting Polypeptide 2B1 Inhibitors | [MoA] | 4 |
| N0000187061 | Organic Cation Transporter 2 Inhibitors | [MoA] | 203 |
| M0015420 | Organometallic Compounds | [CS] | 31 |
| N0000010288 | Osmotic Activity | [MoA] | 1011 |
| N0000175810 | Osmotic Diuretic | [EPC] | 13 |
| M0361132 | Oxazolidinones | [CS] | 40 |
| N0000175545 | Oxidation-Reduction Activity | [MoA] | 17 |
| M0015703 | Oxytocin | [CS] | 11 |
| N0000182143 | P2Y12 Receptor Antagonists | [MoA] | 102 |
| N0000180184 | Paramagnetic Contrast Agent | [EPC] | 19 |
| N0000180851 | Parathyroid Hormone | [EPC] | 4 |
| N0000180852 | Parathyroid Hormone Analog | [EPC] | 2 |
| M0150746 | Parathyroid Hormone-Related Protein | [CS] | 1 |
| N0000177913 | Parenteral Iron Replacement | [EPC] | 32 |
| N0000175702 | Partial Cholinergic Nicotinic Agonists | [MoA] | 6 |
| N0000175685 | Partial Opioid Agonists | [MoA] | 153 |
| N0000181811 | Pediculicide | [EPC] | 15 |
| N0000175496 | Penem Antibacterial | [EPC] | 49 |
| M0016152 | Penicillins | [CS] | 771 |
| M0016225 | Peptide Hydrolases | [CS] | 1 |
| N0000175596 | Peroxisome Proliferator Receptor alpha Agonist | [EPC] | 394 |
| M0016424 | Pertussis Vaccine | [CS] | 36 |
| N0000191264 | P-Glycoprotein Inducers | [MoA] | 8 |
| N0000185503 | P-Glycoprotein Inhibitors | [MoA] | 589 |
| N0000000239 | P-Glycoprotein Interactions | [MoA] | 26 |
| M0016525 | Phenothiazines | [CS] | 399 |
| N0000020074 | Phosphate Chelating Activity | [MoA] | 83 |
| N0000175086 | Phosphodiesterase 3 Inhibitors | [MoA] | 38 |
| N0000182960 | Phosphodiesterase 4 Inhibitors | [MoA] | 5 |
| N0000020026 | Phosphodiesterase 5 Inhibitors | [MoA] | 397 |
| N0000009801 | Photosensitizing Activity | [PE] | 7 |
| M0016962 | Plant Proteins | [CS] | 122 |
| N0000175578 | Platelet Aggregation Inhibitor | [EPC] | 110 |
| M0017024 | Platelet-Derived Growth Factor | [CS] | 1 |
| N0000175434 | Pleuromutilin Antibacterial | [EPC] | 1 |
| M0357124 | Pneumococcal Vaccines | [CS] | 82 |
| N0000191622 | Poly(ADP-Ribose) Polymerase Inhibitors | [MoA] | 9 |
| M0017172 | Polyenes | [CS] | 95 |
| M0017217 | Polymyxins | [CS] | 110 |
| M0017335 | Porphyrinogens | [CS] | 2 |
| N0000175869 | Positron Emitting Activity | [MoA] | 3 |
| N0000175448 | Potassium Channel Antagonists | [MoA] | 58 |
| N0000178377 | Potassium Ion Binding Activity | [MoA] | 3 |
| N0000175600 | Potassium Salt | [EPC] | 405 |
| N0000175418 | Potassium-sparing Diuretic | [EPC] | 81 |
| N0000185018 | Poultry Proteins | [EXT] | 8 |
| M0199111 | PPAR alpha | [CS] | 152 |
| N0000175601 | Progesterone | [EPC] | 51 |
| M0447349 | Progesterone Congeners | [CS] | 183 |
| N0000175602 | Progestin | [EPC] | 176 |
| N0000175841 | Progestin Antagonist | [EPC] | 2 |
| N0000175832 | Progestin-containing Intrauterine Device | [EPC] | 7 |
| N0000191259 | Programmed Death Receptor-1-directed Antibody Interactions | [MoA] | 6 |
| N0000020068 | Prostacyclin Receptor Agonists | [MoA] | 8 |
| M0017805 | Prostaglandins | [CS] | 62 |
| M0017817 | Prostaglandins I | [CS] | 30 |
| N0000175889 | Protease Inhibitor | [EPC] | 81 |
| N0000190995 | Protease-activated Receptor-1 Antagonists | [MoA] | 1 |
| N0000175075 | Proteasome Inhibitors | [MoA] | 12 |
| N0000175076 | Protein Kinase Inhibitors | [MoA] | 167 |
| N0000000150 | Protein Synthesis Inhibitors | [MoA] | 44 |
| N0000000147 | Proton Pump Inhibitors | [MoA] | 610 |
| N0000175909 | Provitamin D2 Compound | [EPC] | 34 |
| M0017973 | Psoralens | [CS] | 5 |
| N0000175712 | Purine Antimetabolite | [EPC] | 30 |
| N0000175847 | Pyrethroid | [EPC] | 10 |
| M0018236 | Pyridones | [CS] | 3 |
| N0000175470 | Pyrophosphate Analog DNA Polymerase Inhibitor | [EPC] | 2 |
| M0474216 | Quaternary Ammonium Compounds | [CS] | 3 |
| M0023650 | Quinolones | [CS] | 316 |
| N0000000205 | Radiopharmaceutical Activity | [MoA] | 113 |
| N0000187054 | RANK Ligand Blocking Activity | [MoA] | 2 |
| N0000020000 | Receptor Tyrosine Kinase Inhibitors | [MoA] | 12 |
| M0018640 | Recombinant Fusion Proteins | [CS] | 4 |
| M0018641 | Recombinant Proteins | [CS] | 5 |
| N0000175898 | Reducing and Complexing Thiol | [EPC] | 3 |
| N0000175547 | Reduction Activity | [MoA] | 27 |
| N0000175514 | Renal Dehydropeptidase Inhibitor | [EPC] | 8 |
| N0000175899 | Renin Inhibitors | [MoA] | 10 |
| N0000175716 | Respiratory Stimulant | [EPC] | 2 |
| N0000175623 | Respiratory Syncytial Virus Anti-F Protein Monoclonal Antibody | [EPC] | 2 |
| M0018962 | Retinoids | [CS] | 242 |
| N0000175982 | Reversed Anticoagulation Activity | [PE] | 31 |
| N0000193789 | Rho Kinase Inhibitors | [MoA] | 2 |
| M0019113 | Rifamycins | [CS] | 36 |
| N0000175516 | RNA Synthetase Inhibitors | [MoA] | 39 |
| M0515971 | Salivary Proteins and Peptides | [CS] | 7 |
| M0516536 | Seed Storage Proteins | [CS] | 34 |
| N0000000168 | Selective Estrogen Receptor Modulators | [MoA] | 77 |
| N0000191262 | Selective Progesterone Receptor Modulators | [MoA] | 2 |
| N0000175696 | Serotonin Reuptake Inhibitor | [EPC] | 1024 |
| N0000000109 | Serotonin Uptake Inhibitors | [MoA] | 1405 |
| N0000175765 | Serotonin-1b and Serotonin-1d Receptor Agonist | [EPC] | 258 |
| N0000175818 | Serotonin-3 Receptor Antagonist | [EPC] | 326 |
| N0000175815 | Serotonin-4 Receptor Antagonist | [EPC] | 2 |
| N0000169504 | Serum Albumin | [Chemical/Ingredient] | 24 |
| N0000185020 | Shellfish Proteins | [EXT] | 26 |
| N0000182147 | Sigma-1 Receptor Agonists | [MoA] | 28 |
| N0000175738 | Skeletal Muscle Relaxant | [EPC] | 17 |
| N0000184148 | Smoothened Receptor Antagonists | [MoA] | 4 |
| N0000187058 | Sodium-Glucose Transporter 2 Inhibitors | [MoA] | 55 |
| N0000190485 | Soluble Guanylate Cyclase Stimulator | [EPC] | 5 |
| N0000000194 | Somatostatin Receptor Agonists | [MoA] | 44 |
| N0000181816 | Sphingosine 1-phosphate Receptor Modulator | [EPC] | 3 |
| M0020435 | Starch | [CS] | 5 |
| M0004273 | Sterol Esterase | [CS] | 1 |
| N0000009871 | Stimulation Large Intestine Fluid/Electrolyte Secretion | [PE] | 185 |
| M0022748 | Streptogramins | [CS] | 2 |
| N0000175786 | Substance P/Neurokinin-1 Receptor Antagonist | [EPC] | 42 |
| N0000175819 | Sucrose-specific Enzyme | [EPC] | 1 |
| M0020790 | Sulfonamides | [CS] | 330 |
| M0020791 | Sulfones | [CS] | 40 |
| M0020795 | Sulfonylurea Compounds | [CS] | 400 |
| N0000000079 | Surfactant Activity | [MoA] | 3 |
| N0000175423 | Sympathomimetic Amine Anorectic | [EPC] | 189 |
| N0000175769 | Sympathomimetic-like Agent | [EPC] | 51 |
| M0021204 | Tetanus Toxoid | [CS] | 16 |
| M0021223 | Tetracyclines | [CS] | 513 |
| N0000184014 | Thalidomide Analog | [EPC] | 10 |
| N0000175420 | Thiazide-like Diuretic | [EPC] | 108 |
| M0471776 | Thiazides | [CS] | 831 |
| M0447306 | Thiazolidinediones | [CS] | 115 |
| N0000009963 | Thrombin Inhibitors | [MoA] | 36 |
| N0000175968 | Thrombopoietin Receptor Agonists | [MoA] | 9 |
| N0000191869 | Thymidine Phosphorylase Inhibitors | [MoA] | 2 |
| N0000175917 | Thyroid Hormone Synthesis Inhibitors | [MoA] | 26 |
| M0021496 | Thyrotropin | [CS] | 1 |
| M0021504 | Thyroxine | [CS] | 411 |
| N0000000176 | Topoisomerase Inhibitors | [MoA] | 144 |
| N0000175752 | Tricyclic Antidepressant | [EPC] | 497 |
| M0021977 | Triiodothyronine | [CS] | 44 |
| N0000000197 | Trypsin Inhibitors | [MoA] | 2 |
| N0000193302 | Tryptophan Hydroxylase Inhibitors | [MoA] | 1 |
| N0000175848 | Tubulin Inhibiting Agent | [EPC] | 12 |
| N0000175451 | Tumor Necrosis Factor Receptor Blocking Activity | [MoA] | 19 |
| N0000180182 | Typical Antipsychotic | [EPC] | 152 |
| N0000020001 | Tyrosine Kinase Inhibitors | [MoA] | 6 |
| N0000190117 | UDP Glucuronosyltransferases Inducers | [MoA] | 21 |
| N0000191272 | UGT1A1 Inhibitors | [MoA] | 38 |
| N0000191274 | UGT2B15 Inhibitors | [MoA] | 6 |
| N0000010259 | Ultrasound Contrast Activity | [MoA] | 3 |
| N0000175474 | Unfractionated Heparin | [EPC] | 119 |
| M0022315 | Urea | [CS] | 15 |
| N0000175087 | Urease Inhibitors | [MoA] | 1 |
| N0000175670 | Uric Acid-specific Enzyme | [EPC] | 1 |
| N0000193543 | Vascular Endothelial Growth Factor Inhibitor | [EPC] | 11 |
| N0000193542 | Vascular Endothelial Growth Factor Inhibitors | [MoA] | 11 |
| N0000178291 | Vascular Endothelial Growth Factor-directed Antibody Interactions | [MoA] | 6 |
| N0000009905 | Vascular Sclerosing Activity | [PE] | 2 |
| N0000009908 | Vasoconstriction | [PE] | 5 |
| N0000009909 | Vasodilation | [PE] | 281 |
| N0000175940 | Vasodilator | [EPC] | 22 |
| N0000193178 | Vasopressin V2 Receptor Antagonists | [MoA] | 7 |
| M0022562 | Vasopressins | [CS] | 47 |
| M0022575 | Vegetable Proteins | [CS] | 68 |
| N0000020032 | VEGFR2 Inhibitors | [MoA] | 2 |
| N0000009911 | Venous Vasodilation | [PE] | 15 |
| N0000190855 | Vesicular Monoamine Transporter 2 Inhibitors | [MoA] | 27 |
| M0022674 | Vinca Alkaloids | [CS] | 10 |
| N0000175950 | Vitamin A | [EPC] | 43 |
| N0000175951 | Vitamin B12 | [EPC] | 96 |
| N0000175952 | Vitamin D | [EPC] | 74 |
| N0000175849 | Vitamin D Analog | [EPC] | 30 |
| N0000175907 | Vitamin D2 Analog | [EPC] | 22 |
| N0000175908 | Vitamin D3 Analog | [EPC] | 97 |
| N0000175964 | Vitamin K Inhibitors | [MoA] | 154 |
| N0000175966 | Warfarin Reversal Agent | [EPC] | 27 |
| N0000000206 | Xanthine Oxidase Inhibitors | [MoA] | 133 |
| M0023046 | Xanthines | [CS] | 143 |
| N0000010258 | X-Ray Contrast Activity | [MoA] | 137 |
| M0357360 | Yellow Fever Vaccine | [CS] | 1 |
