(2S)-2-(Trifluoromethyl)oxirane(S)-(-)-3,3,3-三氟-1,2-环氧丙烷(S)-(-)-2-(Trifluoromethyl)oxirane(S)-(-)-2-三氟甲基环氧乙烷(S)-(-)-3,3,3-Trifluoro-1,2-epoxypropane(2S)-(-)-3,3,3-Trifluoro-1,2-propenoxide 97%(2S)-2-(Trifluoromethyl)oxirane(2S)-3,3,3-Trifluoro-1,2-epoxypropane