2939763-16-1

N-((S)-1-(3-(4-Chloro-3-(N-methylmethylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl) pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4] cyclopenta[1,2-c]pyrazol-1-yl)acetamide is a Lenacapavir impurity that can be used as an impurity standard for Lenacapavir drug registration and research.