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