Lenacapavir Impurity 42

Chemical Name: Ethyl N-acetyl-S-(2-((S)-1-(2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamido)-2-(3,5-difluorophenyl)ethyl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-3-yl)-L-cysteinate

Smile: O=C(OCC)[C@H](CSC1=CC=C(C#CC(S(=O)(C)=O)(C)C)N=C1[C@@H](NC(CN2N=C(C(F)(F)F)C3=C2C(F)(F)[C@@]4([H])[C@]3([H])C4)=O)CC5=CC(F)=CC(F)=C5)NC(C)=O