| 英文名称: | | 1,1,2,2-tetrafluoroethyl 2,2,2-trifluoroethyl \n\nether | | 1,1,2,2,5,5,5-Heptafluoro-3-oxapentane | | 1,1,2,2-Tetrafluoro-1-(2,2,2-trifluoroethoxy)ethane | | 1,1,2,2-Tetrafluoroethyl 2,2,2-trifluoroethyl ether | | HFE-347pc-f | | 1,1,2,2-tetrafluoro-2,2,2-trifluoroethyl ether |
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