Ethyl 4-amino-6-(aminomethyl)-3-(difluoromethyl)pyridine-2-carboxylate
5-Amino-2-(difluoromethyl)-3-methylpyridine-4-acetonitrile
Ethyl 4-amino-2-(aminomethyl)-3-(difluoromethyl)pyridine-5-carboxylate
4-Amino-2-(difluoromethyl)-6-methylpyridine-3-acetonitrile