Zhang L, Xu L, Xiao S S, et al. Characterization of flavonoids in the extract of Sophora flavescens Ait. by high-performance liquid chromatography coupled with diode-array detector and electrospray ionization mass spectrometry[J]. J Pharmaceut Biomed Anal, 2007, 44(5): 1019.
Shigeru O, Hirotaka O, Haginiwa J, et al. The alkaloid constituents of Euchresta japonica and the stereochemical assignment of two isomeric sophoridine N-oxides[J]. Chem Pharm Bull, 1980, 28(2): 546.
Saito K, Takamatsu S, Murakoshi I. Isolation of a new alkaloid (-)-o-acetylbaptifoline and the absolute stereochemical relationships of lupine alkaloids in Thermopsis chinesis[J]. J Nat Prod, 1989, 52(5): 1032.
[12]
Zhang Y F, Zhang P, Cheng Y Y. Structural characterization of isoprenylated flavonoids from Kushen by electrospray ionization multistage tandem mass spectrometry[J]. J Mass Spectrom, 2008, 43(10): 1421.
Mario G, Lldomar A, Acacio D. 5-Deoxyflavonoids and lignan isolated from the wood of Schizolobium parahyba (Veil.) S.F. Blake[J]. Quimica Nova, 2008, 31(6): 1349.
[15]
Wu L J, Miyase T, Ueno A, et al. Studies on the constituents of Sophora flavescens Ait. IV[J]. Yakugaku Zasshi, 1985, 105(11): 1034.
[16]
Liu E H, Qi L W, Peng Y B, et al. Rapid separation and identification of 54 major constituents in Buyang Huanwu decoction by ultra-fast HPLC system coupled with DAD-TOF/MS[J]. Biomed Chromatogr, 2009, 23(8): 828.
