4-(Difluoromethyl)-2-methoxypyridine-3-sulfonamide
Methyl 3-bromo-2-(trifluoromethyl)pyridine-6-acetate
4-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-sulfonyl chloride
2-Chloro-4-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylic acid