2-Amino-5-(chloromethyl)-3-(difluoromethyl)pyridine-4-methanol
2-Amino-4-(aminomethyl)-5-(difluoromethyl)pyridine-3-carboxaldehyde
2-Amino-3-(aminomethyl)-6-(difluoromethyl)pyridine-5-carboxaldehyde
5-Amino-2-(aminomethyl)-3-(difluoromethyl)pyridine-6-methanol