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