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
4-(Difluoromethyl)-3-hydroxy-5-methoxy-2-(trifluoromethoxy)pyridine