perfluoro (5-methylene-2,2-dimethyl-1,3-dioxolane)

1,2,3,4,4,4-hexafluoro-3-(1,1,2,2,3,3,3-heptafluoropropoxy)but-1-ene

[2,3,3,3-tetrafluoro-2-(1,1,2,2,3,3,3-heptafluoropropoxy)propanoyl] 2,3,3,3-tetrafluoro-2-(1,1,2,2,3,3,3-heptafluoropropoxy)propaneperoxoate