2,2-bis(trifluoromethyl)propanedioyl difluoride

五氟丙酰氟

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

1,1,1,2,2,5,5,5-octafluoro-4-(trifluoromethyl)pentan-3-one

1,1,1,2,2,5,5,5-octafluoropentan-3-one