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