α-methoxyperfluorobutiric acid methyl ester

2-bromo-1,1,1,2,4,4,5,5,5-nonafluoropentan-3-one

perfluoro-3-bromo-2-pentanone

1,1,1,3,3,4,4,5,5,5-decafluoropentan-2-one

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