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