No.

PRODUCTS

INTERMEDIATE

STRUCTURE

CAS No.

1

Nirmatrelvir

(1R,2S,5S)-N-((S)-1-cyano-2-((S)-2-oxopyrrolidin-3-yl)ethyl)-3-

((S)-3,3-dimethyl-2-(2,2,2-trifluoroacetamido)butanoyl)-

6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide

2628280-40-8

Methyl (S)-2-(Boc-amino)-3-[(S)-2-oxo-3-pyrrolidinyl]propanoate

328086-60-8

3-Pyrrolidinepropanamide, α-amino-2-oxo-, hydrochloride

2628280-48-6

(1R,2S,5S)-6,6-dimethyl-3-AZA-bicyclo[3.1.0]

hexane-2-carboxylic acid methyl ester hydrochloride

565456-77-1