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