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