2,2-Bis(4-methylphenyl)hexafluoropropane2,2-二(对甲苯基)-1,1,1,3,3,3-三氟丙烷2,2-Di(p-tolyl)-1,1,1,3,3,3-trifluoropropane1,1,1,3,3,3-六氟-2,2-双(4-甲基苯基)丙烷六氟-2,2-双(4-甲基苯基)丙烷2,2-Bis(4-methylphenyl)hexafluoropropane 98%Hexafluoro-2,2-bis(4-methylphenyl)propane1,1,1,3,3,3-Hexafluoro-2,2-bis(4-methylphenyl)propane