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