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