英文同义词: | 1,2,2,2-TETRAFLUOROETHYL TRIFLUOROMETHYL ETHER;1,2,2,2-Tetrafluoroethyl trifluoromethyl ether 97%;1,2,2,2-Tetrafluoroethyltrifluoromethylether97%;Trifluoromethyl 1,2,2,2-tetrafluoroethyl ether;1,1,1,2-Tetrafluoro-2-(trifluoromethoxy)ethane;HFE227;Ethane, 1,1,1,2-tetrafluoro-2-(trifluoromethoxy)- |