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