title: New anti-HBV caryophyllane-type sesquiterpenoids from Euphorbia humifusa Willd.
authors.affiliation: Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing 100850, PR China.
authors.forename: Ying
authors.initials: Y
authors.lastname: Tian
authors.forename: Li-Min
authors.initials: LM
authors.lastname: Sun
authors.forename: Bin
authors.initials: B
authors.lastname: Li
authors.forename: Xi-Qiao
authors.initials: XQ
authors.lastname: Liu
authors.forename: Jun-Xing
authors.initials: JX
authors.lastname: Dong