4-Bromo-3-(difluoromethyl)-2-hydroxypyridine-6-carbonyl chloride
Methyl 4-bromo-3-(difluoromethyl)-2-iodopyridine-5-carboxylate
4-Bromo-6-(difluoromethyl)-2-hydroxypyridine-3-carbonyl chloride
Methyl 4-bromo-2-(difluoromethyl)-6-iodopyridine-3-carboxylate