6Collado IG, Macias FA, Massanet GM, et al. Flavonoids from Centaurea clementei [J]. Nat Prod, 1985, 48(6) :819 - 822.
7Tomimori T, Miyaichi Y, Kizu H. On the flavonoid constituents from the roots of Scutellaria baica lensls Georgi Ⅰ [J]. Yakugaku Zasshi, 1982,102 (4) :388 - 391.
8Leslie JH, Guat-Lee S, Keng-Yeow S. 5, 7-Dihydroxy-8-methoxyflavone from Tetracera indica [ J ]. Planta Medica,1994,60(5):493- 404.
9Sadtler Research Laboratories. Sadtler standard carbon-13-NMR spectra [Z]. Pennsylvania (USA): Sadder Research Laboratories, 1980. 22555C.
10Tomimori T, Miyaichi Y, Imoto Y, et al. Studies on scutellaria species. Ⅲ. On the flavonoid constituents of the root of Scutellaria baicalensis Georgi (4) [J].Yakugaku Zasshi, 1984, 104(5) :524 - 528.
