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