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