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