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