Saussurea costus lactone as well as pharmaceutical composition and application thereof

The invention provides saussurea costus lactone and a pharmaceutical composition and application thereof, the saussurea costus lactone is 14 sesquiterpenoids, and the compounds have certain anti-HBV activity, can form the pharmaceutical composition with a pharmaceutically acceptable carrier or excipient, and are used for preparing anti-HBV drugs. 本发明提供了一类云木香内酯及其药物组合物和应用，云木香内酯为14个倍半萜类化合物，该类化合物具有一定的抗HBV活性，能够与可药用载体或赋型剂组成药物组合物，用于制备抗HBV药物。