4-Amino-3-(aminomethyl)-6-(difluoromethyl)pyridine-2-methanol
4-Amino-2-(aminomethyl)-6-(difluoromethyl)pyridine-3-methanol
3-Amino-4-(aminomethyl)-6-(difluoromethyl)pyridine-2-methanol
4-Amino-6-(chloromethyl)-2-(difluoromethyl)pyridine-3-carboxaldehyde