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