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