| 英文同义词: | 1,1-DIFLUOROETHYL 2,2,2-TRIFLUOROETHYL ETHER;1,1-DIFLUOROETHYL 2,2,2-TRIFLUOROETHYL ETHER, 98% MIN.;1H,1H,1H,4H,4H-Perfluoro-(3-oxapentane), 3-Oxa-2,2,5,5,5-pentafluoropentane;2-(1,1-Difluoroethoxy)-1,1,1-trifluoroethane;Ethane, 2-(1,1-difluoroethoxy)-1,1,1-trifluoro- |