3-(Difluoromethyl)-5-methoxy-2-nitro-6-(trifluoromethoxy)pyridine
2-(Chloromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-(Difluoromethyl)-4-methoxy-6-nitro-2-(trifluoromethoxy)pyridine
6-(Chloromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde