Methyl 3-(bromomethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-4-carboxylate
4-(Difluoromethyl)-3-hydroxy-5-nitro-2-(trifluoromethoxy)pyridine
2-Hydroxy-5-methoxy-3-methyl-4-(trifluoromethoxy)pyridine
6-Hydroxy-4-methoxy-3-methyl-2-(trifluoromethoxy)pyridine