Ethyl 3-cyano-6-iodo-4-(trifluoromethoxy)pyridine-2-carboxylate
6-Cyano-4-(fluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine
3-Cyano-6-(difluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine
5-Cyano-2-(difluoromethyl)-4-iodo-3-(trifluoromethoxy)pyridine