Ethyl 4-(aminomethyl)-3-cyano-6-(trifluoromethoxy)pyridine-2-acetate
3-(Chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine-4-acetonitrile
Ethyl 3-(aminomethyl)-5-cyano-2-(trifluoromethoxy)pyridine-6-acetate
2-(Chloromethyl)-6-cyano-3-(trifluoromethoxy)pyridine-5-acetonitrile