6-Bromo-3-(difluoromethyl)-4-methoxypyridine-2-sulfonyl chloride
4-Bromo-3-(chloromethyl)-5-(difluoromethyl)pyridine-2-methanol
4-Bromo-3-(chloromethyl)-2-(difluoromethyl)pyridine-5-methanol
2-Bromo-5-(difluoromethyl)-3-methoxypyridine-6-sulfonyl chloride