功能 卡培他滨

卡培他滨  is rapidly absorbed through the intestinal mucosa after oral administration, and then converted into an inactive intermediate 5'-deoxy-5'fluorocytidine in the liver by carboxylesterase, and then decellularized by the liver and tumor The action of ammonia enzyme is converted into 5'-deoxy-5 'fluorouridine, and finally catalyzed by thymidine phosphorylase

进入肿瘤组织中的氟尿嘧啶（5-FU）。