Compounds of formula (I) : wherein A, m, n, R1, X, Y, R2, R3, R4, R5 and R6, as defined herein are provided as useful for the treatment of cancer or for the manufacture of anti-cancer agents.
化合物的
化学式(I):其中A、m、n、R1、X、Y、R2、R3、R4、R5和R6的定义如下,在此处被提供作为治疗癌症或制造抗癌药物的有用化合物。