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