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