(3bS,4aR)-1,3b,4,4a-Tetrahydro-3-(trifluoromethyl)spiro[5H-cyclopropa[3,4]cyclopenta[1,2]pyrazole-5,2โฒ-[1,3]dithiolane],(3bS,4aR)-3-(trifluoromethyl)-1,3b,4,4a-tetrahydrospiro[cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-5,2'-[1,3]dithiolane],Lenacapavir Impurity