| Dihydroquinidine barbiturate | | | 0 |
| Dihydrostreptomycin | 128-46-1 | Anti-infective Agents | 0 |
| Dihydrotestosterone | 521-18-6 | | 0 |
| Dihydrouracil | 504-07-4 | | 0 |
| Dihydrouridine | 5627-05-4 | | 0 |
| Dihydroxyacetone | 96-26-4 | | 0 |
| Dihydroxyacetone phosphate | 57-04-5 | Intermediates | 0 |
| Dihydroxyaluminum sodium carbonate | 16482-55-6 | Alkalinizing agents | 0 |
| Dihydroxymethoxychalcone | 19309-14-9 | | 0 |
| Dihydroxyphenylglycine | 162870-29-3 | Other substances | 0 |
| Diiodohydroxypropane | 534-08-7 | Dermatological Agents | 0 |
| Diisopromine | 5966-41-6 | Gastrointestinal Agents | 0 |
| Diisopropyl methylphosphonate | 1445-75-6 | | 0 |
| Dilazep | 35898-87-4 | Cardiac stimulants | 0 |
| Dilmapimod | 444606-18-2 | Other substances | 0 |
| Dilpacimab | 1791420-09-1 | Anticancer drugs | 0 |
| Dimazole | 95-27-2 | Anti-infective Agents | 0 |
| Dimefeptanol | | | 0 |
| Dimefline | 1165-48-6 | Respiratory Tract Agents | 0 |
| Dimemorfan | 36309-01-0 | Antitussives | 0 |
| Dimenoxadol | 509-78-4 | | 0 |
| Dimercaptosuccinic acid | 2418-14-6 | Antidotes, Deterrents, and Toxicologic Agents | 0 |
| Dimetacrine | 4757-55-5 | | 0 |
| Dimethandrolone Undecanoate | 366472-45-9 | | 0 |
| Dimethicone 410 | 9006-65-9 | Dental and Oral Agents | 0 |
| Dimethoxanate | 477-93-0 | Antitussives | 0 |
| Dimethyl carbate | 39589-98-5 | Antiparasitics | 0 |
| Dimethyl sulfone | 67-71-0 | Anti-inflammatory Agents | 0 |
| Dimethyl thiophosphate | | | 0 |
| Dimethylallyl Diphosphate | 358-72-5 | | 0 |
| Dimethylallyl S-Thiolodiphosphate | | | 0 |
| Dimethylaminomicheliolide | 1403357-81-2 | | 0 |
| Dimethylaminopropionylphenothiazine | 63834-04-8 | Other substances | 0 |
| Dimethylcurcumin | 52328-98-0 | | 0 |
| Dimethylformamide | 68-12-2 | | 0 |
| Dimethylglycine | 1118-68-9 | | 0 |
| Dimethylphthalate | 131-11-3 | Antiparasitics | 0 |
| Dimethylthiambutene | 524-84-5 | | 0 |
| Dimethyltryptamine | 61-50-7 | | 0 |
| Dimetofrine | 22950-29-4 | Cardiac stimulants | 0 |