2-Bromo-4-(difluoromethyl)-3-methoxypyridine-5-carboxaldehyde
3-Bromo-6-(difluoromethyl)-2-iodopyridine-4-sulfonyl chloride
3-Bromo-2-(bromomethyl)-5-(difluoromethyl)-6-methylpyridine
4-Bromo-2-(chloromethyl)-6-(difluoromethyl)pyridine-3-carboxylic acid