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