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