3-(Chloromethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-(Chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-(Chloromethyl)-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-methanol
4-(Chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxaldehyde