64589-12-4 1,2,4-Oxadiazole,5-(pentadecafluoroheptyl)-3-[1,2,2,2-tetrafluoro-1-[1,1,2,3,3,3-hexafluoro-2-[1,1,2,3,3,3-hexafluoro-2-(pentafluoroethoxy)propoxy]propoxy]ethyl]- 34252-81-8 1,1,1,2,2,3,3-HEPTAFLUORO-3-{[1,1,1,2,3,3-HEXAFLUORO-3-(1,2,2,2-TETRAFLUOROETHOXY)PROPAN-2-YL]OXY}PROPANE 2356-01-6 2,3,3,4,4,5,5,6,6-Nonafluoro-1-(2,2,2-trifluoroethoxy)-1-cyclohexene