Nirmatrelvir Impurity 22

Chemical Name: (1R,2S,5S)-3-((S)-2-amino-3,3-dimethylbutanoyl)-N-((R)-1-cyano-2-((S)-2-oxopyrrolidin-3-yl)ethyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide

Smile: O=C([C@@H]1[C@@]2([H])C(C)(C)[C@@]2([H])CN1C([C@@H](N)C(C)(C)C)=O)N[C@@H](C#N)C[C@H]3C(NCC3)=O