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