| abstract |
The present invention relates to hexahydropentadiene derivatives, their preparation method and their application in medicine, especially hexahydropentadiene derivatives represented by general formula (I) or their stereoisomers or Its pharmaceutically acceptable salt, its preparation method and pharmaceutical composition containing the derivative and its use as a therapeutic agent, especially as a DPP-IV inhibitor, the definition of each substituent in the formula (I) and the specification have the same definition. |