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