Two new labdane diterpenoids named heteronone A (1) and heteronone B (2) were isolated from the aerial parts of Leonurus heterophyllus Sweet. Their structures were established by various spectroscopic means, and t...Two new labdane diterpenoids named heteronone A (1) and heteronone B (2) were isolated from the aerial parts of Leonurus heterophyllus Sweet. Their structures were established by various spectroscopic means, and the structure of heteronone A is confn-med by X-ray diffraction analysis.展开更多
文摘Two new labdane diterpenoids named heteronone A (1) and heteronone B (2) were isolated from the aerial parts of Leonurus heterophyllus Sweet. Their structures were established by various spectroscopic means, and the structure of heteronone A is confn-med by X-ray diffraction analysis.