5-Methoxy-2-methyl-3-nitro-4-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-5-iodo-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-(Difluoromethyl)-5-iodo-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-(Difluoromethyl)-4-iodo-2-(trifluoromethoxy)pyridine-6-carboxaldehyde