3-[1-(Trifluoromethyl)-2-[(trifluorovinyl)oxy]trifluoroethoxy]tetrafluoropropanenitrile

3-[1-(Trifluoromethyl)-2-[(trifluorovinyl)oxy]trifluoroethoxy]-2,2,3,3-tetrafluoropropanenitrile

3-[1-[difluoro[(trifluorovinyl)oxy]methyl]-1,2,2,2-tetrafluoroethoxy]-2,2,3,3-tetrafluoropropiononitrile

3-[1-[Difluoro[(trifluoroethenyl)oxy]methyl]-1,2,2,2-tetrafluoroethoxy]-2,2,3,3-tetrafluoropropanenitrile