J Asian Nat Prod Res. 2003 Mar; 5(1): 31-4.

Two new pterocarpenes from Hedysarum multijugum.

Wang W, An DG, Chen HB, Tu GZ, Zhao YY.

Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University, Beijing 100083, China.

Two new pterocarpenes were isolated from the roots of Hedysarum multijugum, and their structures were elucidated as hedysarimpterocarpene B (1) and hedysarimpterocarpene C (2) on the basis of spectroscopic data.