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