| Cythioate | Organic compounds | Organic acids and derivatives | Organic thiophosphoric acids and derivatives | Thiophosphoric acid esters | Details |
| Danofloxacin | Organic compounds | Organoheterocyclic compounds | Quinolines and derivatives | Quinoline carboxylic acids | Details |
| Decoquinate | Organic compounds | Organoheterocyclic compounds | Quinolines and derivatives | Quinolones and derivatives | Details |
| Deracoxib | Organic compounds | Organoheterocyclic compounds | Azoles | Pyrazoles | Details |
| Dichlorophen | Organic compounds | Benzenoids | Benzene and substituted derivatives | Diphenylmethanes | Details |
| Dichlorvos | Organic compounds | Organic acids and derivatives | Organic phosphoric acids and derivatives | Phosphate esters | Details |
| Diclazuril | Organic compounds | Benzenoids | Benzene and substituted derivatives | Diphenylacetonitriles | Details |
| Dirlotapide | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Doramectin | Organic compounds | Phenylpropanoids and polyketides | Macrolides and analogues | Not Available | Details |
| Efrotomycin | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Details |
| Emodepside | Organic Compounds | Organic Acids | Carboxylic Acids and Derivatives | Amino Acids, Peptides, and Analogues | Details |
| Enrofloxacin | Organic compounds | Organoheterocyclic compounds | Quinolines and derivatives | Quinoline carboxylic acids | Details |
| Eprinomectin | Organic compounds | Phenylpropanoids and polyketides | Macrolides and analogues | Not Available | Details |
| Famphur | Organic compounds | Organic acids and derivatives | Organic thiophosphoric acids and derivatives | Thiophosphoric acid esters | Details |
| Febantel | Organic compounds | Organosulfur compounds | Thioethers | Aryl thioethers | Details |
| Fenbendazole | Organic compounds | Organoheterocyclic compounds | Benzimidazoles | 2-benzimidazolylcarbamic acid esters | Details |
| Fenprostalene | Organic compounds | Benzenoids | Phenol ethers | Not Available | Details |
| Fenthion | Organic compounds | Organic acids and derivatives | Organic thiophosphoric acids and derivatives | Thiophosphoric acid esters | Details |
| Florfenicol | Organic compounds | Benzenoids | Benzene and substituted derivatives | Benzenesulfonyl compounds | Details |
| Fluralaner | Organic compounds | Benzenoids | Benzene and substituted derivatives | Benzoic acids and derivatives | Details |
| Gamithromycin | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Details |
| Haloxon | Organic compounds | Phenylpropanoids and polyketides | Coumarins and derivatives | Not Available | Details |
| Squalane | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Triterpenoids | Details |
| Imidacloprid | Organic compounds | Organic nitrogen compounds | Organonitrogen compounds | Guanidines | Details |
| Lasalocid | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Terpene glycosides | Details |
| Lufenuron | Organic compounds | Benzenoids | Benzene and substituted derivatives | N-phenylureas | Details |
| Marbofloxacin | Organic compounds | Organoheterocyclic compounds | Quinolines and derivatives | Quinoline carboxylic acids | Details |
| Maropitant | Organic compounds | Benzenoids | Benzene and substituted derivatives | Diphenylmethanes | Details |
| Medetomidine | Organic compounds | Benzenoids | Benzene and substituted derivatives | Xylenes | Details |
| Mibolerone | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Estrane steroids | Details |