Thirteen homocamptothecin derivatives were synthesized and in vitro antitumor activities were evaluated by the standard ......

目的喜树碱（Camptothecin，CPT）的A环和B环引入合适的基团可改善其活性和水溶性。设计合成10位氨基酸酯高喜树碱（Homocamptothecin，hCPT）......