5-Bromo-2-(difluoromethyl)-3-methylpyridine-4-carbonyl chloride
5-Bromo-2-(bromomethyl)-3-(difluoromethyl)-6-methylpyridine
3-Bromo-2-(difluoromethyl)-6-methylpyridine-4-carbonyl chloride
3-Bromo-2-(difluoromethyl)-5-methylpyridine-4-carbonyl chloride