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