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