A quinazolinone derivatives having poly(adenosine 5'-diphaspho-ribose)polymerase (PARP) inhibotory activity represented by the formula (I), wherein R1 is optionally substituted cyclic amino groups or optionally substituted amino group, R2 is substituent, n means an integer from 0 to 4, and L is lower akkylene or lower alkenylene, or its prodrug, or their salts.
一种
喹唑啉酮衍
生物,具有聚
腺苷酸二
磷酸核糖聚合酶(PARP)抑制活性,其
化学式表示为(I),其中R1是可选取代的环
氨基或可选取代的
氨基基团,R2是取代基,n表示0到4的整数,L是低级脂肪基或低级烯基,或其前药或其盐。