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