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