2,5-二氟-1,4-苯二酚

1,4-二氟-2-(甲氧基甲氧基)苯

2-chloro-3,6-difluoro-4-hydroxybenzoic acid

2-(4-chloro-2,5-difluorophenoxy)acetic acid

1-bromo-2,5-difluoro-4-phenylmethoxybenzene