| API Name | Product Code | Intermediate Chemical Name | CAS No. |
| Lopinavir | THP | N-(4-Amino-1-Benzyl-3-Hydroxy-5-Phenyl-Pentyl)-3-Methyl-2-(2-oxo-Tetrahydro-pyridin-1-yl)-Butyramide-5-oxopyrrolidine-2-carboxylic Acid | 192726-06-0 |
| Lopinavir | TPA | ((2S)-(1-Tetrahydropyramid -2-one)-3-methylbutanoic acid); or (S)-Tetrahydro-α-(1-methylethyl)-2-oxo-1(2H)-pyrimidine acetic Acid ; | 192725-50-1 |
| Lopinavir | DPC | 2,6-Dimethyl Phenoxy Acetyl Chloride | 20143-48-0 |
| Lopinavir | DPA | 2-(2,6-dimethylphenoxy)acetic acid | 13335-71-2 |
| Lopinavir & Ritonavir | DAH-II | 5(S)-2-Amino-5-(N, N – (Dibenzyl Amino) -4 – oxo-1, 6-Diphenyl Hex-2-Ene | 156732-13-7 |
| Ritonavir | BDH salt | (2S,3S,5S)-2-Amino-3-hydroxy-5-(tert-butoxy carbonyl)amino-1,6-diphenyl hemi succinic acid salt; | 183388-64-9 |
| Ritonavir | BDH (Pure) | [2S,3S,5S]-2-Amino-3-hydroxy-5-(t-butyl carbonyl amino)-1,6- diphenyl hexane. | 144163-85-9 |
| Ritonavir | MTV-III Salt | N-[N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)aminocarbonyl]-L-valine lithium salt | 201409-23-6 |
| Ritonavir | MTV-III Pure | N-[2-Isopropylthiazol-4-ylmethyl(methyl)carbamoyl]-L-valine | 154212-61-0 |
| Ritonavir | NCT | 4-nitrophenyl-5-thiazolyl methyl ester Carbonic acid (Or) (4-nitrophenyl) 1,3-thiazol-5-ylmethyl carbonate; | 144163-97-3 |
| Ritonavir | PCV | phenoxy carbonyl – L -valine | 12614-70-4 |