左氧氟沙星BSA(OVA)偶联抗原 Levofloxacin BSA (OVA) coupled antigen 左氧氟沙星,是一种有机化合物,化学式为C18H20FN3O4,是喹诺酮类药物中的一种,具有广谱抗菌作用。Levofloxacin BSA (OVA) coupled antigen is an organic compound with the chemical formula C18H20FN3O4. It is a type of quinolone drug with broad-spectrum antibacterial activity.