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