The present invention relates to a ligand-drug conjugate of an exatecan analogue, a preparation method therefor and an application thereof. Specifically, the present invention provides a ligand-drug conjugate having a structure shown in formula (-D), a preparation method therefor, a pharmaceutical composition containing same, and use thereof in preparation of drugs for treating cancers by means of receptor regulation. The definition of each substituent in formula (-D) is the same as that in the description.
本发明涉及一种外切酶类似物的
配体-药物共轭物、其制备方法及其应用。具体而言,本发明提供了一种具有式(-D)所示结构的
配体-药物共轭物、其制备方法、含有该共轭物的药物组合物,以及其在制备通过受体调节治疗癌症的药物中的应用。式(-D)中各取代基的定义与描述中的相同。