| abstract |
The invention discloses a compound represented by general formula I, or a pharmaceutically acceptable salt thereof, or an enantiomer, diastereoisomer, tautomer, solvate, polymorph Types or prodrugs, their preparation methods and applications in pharmacy, wherein the definition of each group is as described in the description. The compound of the invention has better CDK kinase inhibitory activity, and has better development and application prospects. |