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