Three components of Camptothecin, hydroxyacetic acid, and functionalized norcantharidins were constructed together to form a novel series of camptothecin derivatives in a good yield. The synthesized campthothecin-HAA-norcantharidin conjugate pro-drugs could suppress cancer cell growth in vitro. These conjugated pro-drug molecules possess therapeutic potential as novel bi-functional conjugates platforms for cancer treatment.
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