Compounds useful as antiproliferative agents according to Formula (I), wherein n, A, R
1
, R
2
, and Ar
1
are as defined herein, and salts thereof; antibody conjugates, pharmaceutical compositions, methods of treatment, and synthetic methods are provided.
提供了按照公式(I)定义的可用作抗增殖剂的化合物,其中n,A,R1,R2和Ar1如本文中所定义的,以及其盐; 还提供了
抗体偶联物,制药组合物,治疗方法和合成方法。