2,3-Difluoro-6-hydroxy-5-(trifluoromethoxy)pyridine
Ethyl 4-(bromomethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylate
2-(Difluoromethyl)-6-fluoro-4-methylpyridine-3-carbonyl chloride
Methyl 2-(chloromethyl)-6-cyano-3-(trifluoromethoxy)pyridine-4-carboxylate