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