The present disclosure relates to phthalazinone derivatives, preparation processes and pharmaceutical compositions containing them. Specifically, the present disclosure relates to novel phthalazinone derivatives presented by formula (I), preparation processes and pharmaceutical compositions containing the same, as well as the uses for treatment especially for Poly (ADP-ribose) polymerase (PARP) inhibitors, in which each substitute group of general formula (I) is as defined in the specification.本發明涉及酞嗪酮類衍生物、其製備方法及其在醫藥上的應用,具體的,本發明涉及一種通式(I)所示的新的酞嗪酮類衍生物、其製備方法及含有該衍生物的醫藥組成物以及其作為治療劑特別是作為聚(ADP-核糖)聚合酶(PARP)抑制劑的用途。
