[Herb source]: Epimedium P. E.
[Molecular Formula]: C33H40O15;

mocular weight: 676. 65;

assay by hplc: 10%20%3%40%50%60%70%80%98%
ies]: light yellow needle crystal , melting point 231-232 OC. soluble in the ethanol , no soluble in the aether . benzene chloroform.