In this article, we will introduce a potent  anti-mitotic agent, LP-261. LP-261 shows inhibition of in vitro tubulin polymerization with an EC50 of 3.2 μM. Firstly, in vitro, LP-261 exhibits potent G2/M block activity in multiple cell lines and exhibits a range of activity from 0.01 μM to 0.38 μM. Besides, the...