3-(Difluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-(Bromomethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-methanol
6-(Difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-(Bromomethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-methanol