6-Cyano-3-(difluoromethyl)-2-hydroxypyridine-4-sulfonyl chloride
2-(Bromomethyl)-3-chloro-4-(difluoromethyl)-6-methylpyridine
5-Chloro-4-(chloromethyl)-3-(difluoromethyl)pyridine-2-acetonitrile
2-Cyano-3-(difluoromethyl)-6-hydroxy-5-nitropyridine
+86(0) 189-6910-6387
[email protected]