1-fluoro 1-(pentafluorophenyl) 2,2-dichloro ethane

三氟甲烷

三(三氟甲基)膦

bis(trifluoromethyl)phosphanyl-bis(trifluoromethyl)phosphane

(2,2-dichloro-1,1-difluoroethyl)bis(trifluoromethyl)phosphane