[Chemical constituents of Epimedium wanshanense S. Z. He et Guo]

Five flavonoids were isolated from Epimedium wanshanense and identified as sagittatoside B, anhydroicaritin-3-O-alpha-L-rhamnopyranosyl-(1-->2)-alpha-L-rhamnopyranoside, sagittatoside A, ikarisoside B and desmethylanhydroicaritin-3-O-alpha-L-rhamnopyranosyl-(1-->2)-alpha-L- rhamnopyranoside by means of IR, UV, 1HNMR, 13CNMR, MS and chemical evidence. They were obtained from this plant for the first time.