2-Bromo-3-(difluoromethyl)-6-methylpyridine-4-carbonyl chloride
2-Bromo-3-(chloromethyl)-6-(difluoromethyl)-5-(trifluoromethyl)pyridine
2-Bromo-3-(difluoromethyl)-5-methylpyridine-4-carbonyl chloride
2-Bromo-3-(difluoromethyl)-4-methylpyridine-5-carbonyl chloride