The present invention provides a compound represented by the general formula (I) or (II), a pharmaceutically acceptable salt thereof, an isomer or a mixed form thereof, a solvate, a polymorph, a stable isotope derivative or a prodrug. Published. The compounds of the present invention have CDK kinase inhibitory activity and are used for the treatment of CDK kinase-related diseases such as cancer. [Chemical 1]本発明は、一般式(I)又は(II)で表される化合物、その薬学的に許容される塩、異性体又はその混合物形態、溶媒和物、多形体、安定同位体誘導体又はプロドラッグを公開した。本発明の化合物は、CDKキナーゼ阻害活性を有し、癌などのCDKキナーゼ関連疾患の治療に使用される。【化1】