2-Amino-3-(chloromethyl)-4-(difluoromethyl)pyridine-5-carboxylic acid
4-Amino-3-(chloromethyl)-5-(difluoromethyl)pyridine-2-carboxaldehyde
4-Amino-2-(chloromethyl)-5-(difluoromethyl)pyridine-3-carboxaldehyde
6-Amino-2-(aminomethyl)-4-(difluoromethyl)pyridine-3-acetonitrile