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