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