3-Bromo-2-(difluoromethyl)-5-methoxypyridine-4-carbonyl chloride
6-Bromo-2-(difluoromethyl)-3-iodopyridine-4-sulfonamide
3-Bromo-2-(difluoromethyl)-4-methoxypyridine-5-carbonyl chloride
2-Bromo-6-(difluoromethyl)-4-methoxypyridine-3-carbonyl chloride