五氟丙酰氟

1,1,1,2,2,4,4,5,5,5-decafluoro-pentan-3-one

2,2-bis(trifluoromethyl)propanedioyl difluoride

3,3,3-trifluoro-2-(trifluoromethyl)propanoyl fluoride

六氟丙烯