2-Bromo-4-(difluoromethyl)-5-hydroxypyridine-3-carbonyl chloride
2-Bromo-4-(difluoromethyl)-3-hydroxypyridine-5-carbonyl chloride
6-Bromo-4-(difluoromethyl)-2-methoxypyridine-3-methanol
2-Bromo-3-(difluoromethyl)-6-hydroxypyridine-4-carbonyl chloride