4-Bromo-3-(difluoromethyl)-2-methylpyridine-5-sulfonyl chloride
2-(Aminomethyl)-3-bromo-4-(difluoromethyl)-6-methylpyridine
4-Bromo-2-(difluoromethyl)-6-methylpyridine-3-sulfonyl chloride
4-Bromo-2-(difluoromethyl)-3-methylpyridine-5-sulfonyl chloride