2755812-41-8

(1R,2S,5S)-N-((R)-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 is a useful research chemical compound used in the preparation of peptidomimetic nitriles as SARS-CoV-2 3CL protease inhibitors and methods for the treatment of COVID-19.