Ethyl 3-bromo-4-(bromomethyl)-2-(difluoromethyl)pyridine-6-acetate
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