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