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