| API | Name | CAS NO | Classification |
| PF-07321332(drug for Paxlovid) | (1R,2S,5S)-6,6-DIMETHYL-3-AZA-BICYCLO[3.1.0]HEXANE-2-CARBOXYLIC ACID METHYL ESTER HYDROCHLORIDE | 565456-77-1 | COVID-19 |
| L-Valine, 3-methyl-N-(trifluoroacetyl)- (9CI) | 666832-71-9 | COVID-19 | |
| (αS,3S)-α-[(tert-Butyloxycarbonyl)aMino]-2-oxo-3-pyrrolidinepropanoic acid Methyl Ester | 328086-60-8 | COVID-19 | |
| 6,6-Dimethyl-3-azabicyclo[3.1.0]hexane | 943516-54-9 | COVID-19 | |
| Dimethyl (2S,4R)-2-(Boc-amino)-4-(cyanomethyl)pentanedioate | 328086-57-3 | COVID-19 | |
| 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride | 25952-53-8 | COVID-19 | |
| 2-Hydroxypyridine 1-oxide (HOPO) | 13161-30-3 | COVID-19 | |
| Lithium hydroxide | 1310-65-2 | COVID-19 | |
| 1-[Bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxide hexafluorophosphate (HATU) | 148893-10-1 | COVID-19 |
