4-(Bromomethyl)-2-(difluoromethyl)-3-hydroxy-5-iodopyridine
4-(Difluoromethyl)-3-nitro-6-(trifluoromethyl)pyridine-2-sulfonyl chloride
Methyl 3-cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-acetate
Methyl 2-(chloromethyl)-4-(difluoromethyl)-3-hydroxypyridine-5-carboxylate