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