2[1]Pelter A, Ward RS, Nishino C. Revised structures for epiaschantin and epimagnolin [J]. Tetrahedron Lett, 1977,18(47):4137-4140.
3[2]Greger H, Hofer O. New unsymmetrically substituted tetrahydrofurofuran lignans from Artemisia absinthium [J]. Tetrahedron, 1980,36:3551-3558.
4[3]Harborne JB, Mabry TJ, The Flavonoid, Advances in Research [M], London, New York, Champman and Hall, 1982:111.
5[4]Takai M, Yamaguchi H, Saitoh T. Chemical studies on the oriental plant drugs, XXXV, the chemical constituents of the heartwood of Maackia amurensis var. buergeri [J]. Chem Pharm Bull, 1972,20(11):2488-2490.
6[5]Lewis P, Kaltia S, Wahala K. The phase transfer catalysed synthesis of isoflavone-O-glucosides [J]. J Chem Soc, Perkin Trans 1, 1998,16:2481-2484
