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