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