4-氨基-2,5-二氟苯酚

2,4-二甲氧基-1-氟苯

2,5-Difluoro-1,4-benzenediamine

Methyl 4-(2,7-difluoro-6-hydroxy-3-oxo-3H-xanthen-9-yl)-3-methylb enzoate

1,1,2,2,3,3-hexafluoro-4,4-bis(trifluoromethyl)cyclobutane