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