2-(Difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-Iodo-5-methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Difluoromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine-2-methanol
4-(Difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-2-methanol