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