| Direct Acting Antivirals | Not Available | 99 | 811 | Details |
| Direct factor Xa inhibitors | Not Available | 5 | 22 | Details |
| Direct Vasodilators | Not Available | 4 | 24 | Details |
| Direct-acting Skeletal Muscle Relaxants | Not Available | 1 | 3 | Details |
| Dirofilaria | Not Available | 1 | 1 | Details |
| Disaccharidases | Enzymes belonging to the class of GLYCOSIDE HYDROLASES which break down DISACCHARIDES i... more | 0 | 0 | Details |
| Disaccharides | Oligosaccharides containing two monosaccharide units linked by a glycosidic bond. | 16 | 69 | Details |
| Disclosing Agent | Not Available | 1 | 1 | Details |
| Disease-modifying Antirheumatic Agents | Not Available | 14 | 73 | Details |
| Disinfectants | Substances used on inanimate objects that destroy harmful microorganisms or inhibit the... more | 19 | 35 | Details |
| Disinfectants (For Agents Used on Object) | Not Available | 2 | 55 | Details |
| Disopyramide derivatives | Not Available | 0 | 0 | Details |
| Disulfides | Chemical groups containing the covalent disulfide bonds -S-S-. The sulfur atoms can be ... more | 5 | 13 | Details |
| Diterpene Alkaloids | Alkaloids derived from diterpenes (e.g., KAURANES; CLERODANES) often containing the nit... more | 7 | 9 | Details |
| Diterpenes | Twenty-carbon compounds derived from MEVALONIC ACID or deoxyxylulose phosphate. | 52 | 228 | Details |
| Diterpenes, Kaurane | A group of DITERPENES cyclized into four rings. | 2 | 2 | Details |
| Diuretics | Agents that promote the excretion of urine through their effects on kidney function. | 77 | 399 | Details |
| Diuretics, chlorothiazide derivatives | Not Available | 0 | 0 | Details |
| Diuretics, furosemide derivatives | Not Available | 0 | 0 | Details |
| Diuretics, Osmotic | Compounds that increase urine volume by increasing the amount of osmotically active sol... more | 3 | 10 | Details |
| Diuretics, sulfamoylbenzoic acid derivatives | Not Available | 0 | 0 | Details |
| Diynes | Compounds with two triple bonds. Some of them are CYTOTOXINS. | 1 | 0 | Details |
| DNA (Cytosine-5-)-Methyltransferase, antagonists & inhibitors | Not Available | 0 | 0 | Details |
| DNA (Cytosine-5-)-Methyltransferases, antagonists & inhibitors | Not Available | 1 | 7 | Details |
| DNA Helicases, antagonists & inhibitors | Not Available | 1 | 1 | Details |