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