3-Bromo-2-(difluoromethyl)-4-hydroxy-5-methoxypyridine
3-Bromo-2-(difluoromethyl)-5-hydroxy-6-iodopyridine
2-Bromo-6-(difluoromethyl)-5-hydroxy-3-methoxypyridine
3-Bromo-2-(difluoromethyl)-5-hydroxy-4-iodopyridine
+86(0) 189-6910-6387
[email protected]