8KINJO J E,FURUSAWA J I,BABA J,et al. Studies on the constituents of Pueraria lobata Ⅲ Isoflavonoids and related compounds in the roots and the voluble stems [ J ]. Chem Pharm Bull, 1987,35 (12) : 4846 - 4850.
9CORDELL G A. Studies in the Thymelaeaceae I NMR spectral assignments of daphnoretin [ J ]. J Nat Prod, 1984,47 ( 1 ) :84 - 88.
10SHAW G J YATES M K, BIGGS D R. Synthesis and structural proof of wairol, a new coumestan from Medicago sativa [ J ]. Phytochemistry, 1982,21 ( 1 ) : 249 - 250.
