Ethyl 4-(bromomethyl)-6-iodo-2-(trifluoromethoxy)pyridine-3-carboxylate
3-(Bromomethyl)-2-iodo-6-nitro-5-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-iodo-4-methoxy-3-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-iodo-5-nitro-4-(trifluoromethoxy)pyridine