反新陳代謝規(guī)律的

fluorouracil (5-FU) is a kind of antimetabolic drug used in clinic. 5-FU has inhibition effect on many kinds of cancer, but it also seriously hurts the normal cells while it kills the cancer cells. 摘要5-氟尿嘧啶(5-FU)是臨床上一種抗瘤譜廣、有效率高的抗代謝藥物。它對多種腫瘤有抑制作用，缺陷是服藥有效劑量與中毒量相近，在殺死癌細胞的同時對正常細胞的損傷也較嚴重。