| abstract |
Disclosed are a PARP inhibitor, and a pharmaceutical composition, a preparation method and the use thereof. Also disclosed are a compound as shown in formula I of the present invention, and a pharmaceutically acceptable salt, an N-oxide, a solvate, a metabolite, a stereoisomer or a prodrug thereof. The PARP inhibitor of the present invention provides a new commercial option, and is useful for treating and/or preventing tumours, stroke, myocardial ischemia, inflammation or diabetes. |