5-(Aminomethyl)-2-cyano-4-(difluoromethyl)pyridine-3-acetic acid
4-(Chloromethyl)-6-cyano-3-(difluoromethyl)-2-nitropyridine
Ethyl 6-cyano-4-(difluoromethyl)-2-methoxypyridine-3-carboxylate
Ethyl 4-(aminomethyl)-3-cyano-2-(difluoromethyl)pyridine-5-acetate