Methyl 4-cyano-3-iodo-5-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 5-cyano-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Cyano-5-(difluoromethyl)-4-iodo-3-(trifluoromethoxy)pyridine
2-Cyano-4-(difluoromethyl)-5-iodo-3-(trifluoromethoxy)pyridine