2-(Difluoromethyl)-6-iodo-4-nitro-3-(trifluoromethoxy)pyridine
5-(Bromomethyl)-3-(difluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-iodo-6-nitro-3-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-iodo-4-nitro-3-(trifluoromethoxy)pyridine