| abstract |
The invention relates to a condensed tricyclic compound and its application in medicine, especially the application as a medicine for treating and/or preventing hepatitis B. Specifically, the present invention relates to a compound represented by general formula (I) or its stereoisomer, tautomer, nitrogen oxide, solvate, metabolite, pharmaceutically acceptable salt or its prodrug, Wherein each variable is as defined in the specification. The present invention also relates to the use of the compound represented by the general formula (I) or its stereoisomer, tautomer, nitrogen oxide, solvate, metabolite, pharmaceutically acceptable salt or its prodrug as a drug , especially as a medicament for the treatment and/or prevention of hepatitis B. |