3-(Bromomethyl)-6-methoxy-2-nitro-4-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-4-iodo-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-(Bromomethyl)-2-methoxy-4-nitro-3-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-4-iodo-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine