4-Bromo-2,5-difluorobenzoic acid

2-(8-Chloro-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-hexadecafluorooctoxy)-1,1,2,2-tetrafluoroethanesulfonyl fluoride

3,3-Difluoropropanoic acid

4-Nitrophenyl trifluoroacetate

2-Bromo-1,4-difluorobenzene

3-Bromo-6-fluoro-2-methylbenzoic acid