Sesquiterpene lactone compound as well as preparation method and application thereof

The invention discloses a sesquiterpene lactone compound intybusin B. The sesquiterpene lactone compound intybusin B has anti-inflammatory activity and anti-tumor activity. The sources of anti-inflammatory drugs and anti-tumor drugs are expanded, and meanwhile, the research on active monomer components in the chicory is further carried out. 本发明公开了一种倍半萜内酯化合物intybusin B，其具有抗炎活性及抗肿瘤活性。拓展了抗炎药物及抗肿瘤药物的来源，同时也对菊苣内具有活性的单体成分研究更进了一步。