4-Cyano-6-iodo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Cyano-5-methoxy-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
5-Cyano-3-iodo-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
5-Cyano-3-iodo-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine