Antiproliferative compounds having a structure represented by formula (II), where n, R1, R2, R3, R4, and R5 are as defined herein, can be used to treat tumors, optionally when conjugated to a ligand such as an antibody:
具有由式(II)表示的结构的抗增殖化合物,其中n、R1、R2、R3、R4和R5如本文所定义,可用于治疗肿瘤,优选地当与
配体(如
抗体)偶联时使用。