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