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