Disclosed herein are &bgr;-tubulin inhibitors of formula I, prodrugs thereof and therapeutically acceptable salts thereof,
1
wherein R is selected from the group consisting of: t-butyl, i-propyl and sec-butyl and their use as anti-cancer cell proliferation agents.
本文公开了式 I 的&bgr;-微管蛋白
抑制剂、其原药及其治疗上可接受的盐类、
1
其中 R 选自 t-丁基、i-丙基和仲-丁基组成的组,以及它们作为抗癌细胞增殖剂的用途。