Objective To prepare norcantharidin chitosan derivative (Nor-Chi) and evaluate its antitumor activity as well as its increasing leukocyte effect.

• 目的 获得具有抗肿瘤活性的去甲斑蝥素壳聚糖衍生物，解决去甲斑蝥素的血管刺激性及水溶性问题。