6Jiangsu New Medical College.Dictionary of Chinese Materia Medica (中药大辞典)[M].Shanghai:Shanghai People' s Publishing House,1977.
7LiangGR LiuJ LiJX etal.Studies on the chemical constituents from Sonchu sarvensis[J].中草药,1995,26(5):233-235.
8Horie T,Kawamura Y,Yamamoto H,et al.Studies of the selective O-alkylation ad dealkylation of flavonoids.ⅪⅩ1) A convenient medthod for synthesizing 3,5,6,7,8-pentaoxygenated flavones[J].Chem Pharm Bull,1995,43(12):2054-2063.
9Ernest W,Hugo E G.Carbon-13 nuclear magnetic resonance spectroscopy of flavonoid and isoflavonoid compounds[J].Phytochemicsty,1977,(16):1811-1816.
10Ferdinand B,Christa Z.New sesquiterpenes and acetylenes from Athanasia and Pentiza species[J].Phytochemistry,1978,17:1595-1599.