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