5-(Chloromethyl)-3-hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-2-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-6-methanol
5-(Difluoromethyl)-3-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine