title: Diterpenoids from Isodon leucophyllus.
abstract: The structures of two new ENT-kaurane diterpenoids and two derivatives of shikokianin isolated from leaves of Isodon leucophyllus were elucidated by 1D and 2D NMR techniques as 11alpha-acetoxyeffusanin D, 6-acetylepinodosinol, 16beta-ethoxymethyleneshikokianin, and 16alpha-ethoxymethyleneshi-kokianin.
authors.affiliation: Shanghai Institute of Materia Medica, Academia Sinica, Shanghai, P.R. China. snchen@server.shcnc.ac.cn
authors.forename: S N
authors.initials: SN
authors.lastname: Chen
authors.forename: Z W
authors.initials: ZW
authors.lastname: Lin
authors.forename: G W
authors.initials: GW
authors.lastname: Qin
authors.forename: H D
authors.initials: HD
authors.lastname: Sun
authors.forename: Y Z
authors.initials: YZ
authors.lastname: Chen