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