The invention discloses a formula (I) compounds of crystalline forms, or crystalline solvate forms, or crystalline salt forms, or crystalline salt solvate forms. The compound can be used for preparing drugs for treatment of diseases mediated by PARP.本發明公開了一種式(I)的化合物的結晶形式、 或者式(I)的化合物的結晶形式的溶劑化物、或者式(I)的化合物的結晶形式的鹽、或者式(I)的化合物的結晶形式的鹽的溶劑化物。所述的化合物可以用于製備治療由PARP所介導的疾病的藥物。