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