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