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