3-(Bromomethyl)-5-(difluoromethyl)-6-hydroxy-2-(trifluoromethyl)pyridine
4-Bromo-3-fluoro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 2-(difluoromethyl)-6-hydroxy-5-nitropyridine-3-carboxylate
Methyl 5-cyano-4-(trifluoromethyl)pyridine-2-acetate