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