3-Bromo-6-(difluoromethyl)-2-methylpyridine-5-sulfonyl chloride
5-Bromo-2-(difluoromethyl)-4-methylpyridine-3-sulfonyl chloride
Ethyl 3-bromo-2-(bromomethyl)-6-(difluoromethyl)pyridine-5-acetate
5-Bromo-2-(difluoromethyl)-3-methylpyridine-4-sulfonyl chloride