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