2-Difluoromethoxy-4-fluoronicotinic acid
6-Difluoromethoxy-5-fluoronicotinic acid
2-Difluoromethoxy-3-fluoroisonicotinic acid
6-Difluoromethoxy-3-fluoropyridine-2-carbonyl chloride
+86(0) 189-6910-6387
[email protected]