Swerilactones H-K, 1-4 and medicinal composition and application thereof

The invention discloses a compound shown as a structural formula (I), i.e., swerilactones H-K, 1-4, a medicinal composition consisting of an effective amount of the compound 1-4 and a medicinal carrier or an excipient, preparation methods of a medicinal compound, i.e., swerilactones H-K (1-4) and the medicinal composition thereof, an application of the swerilactones H-K, 1-4 to treatment of human diseases, and particularly an application of the swerilactones H-K, 1-4 to preparation of a medicament for resisting virus B hepatitis and a medicament for treating virus B hepatitis.