Author's Organization:Shizuoka College of Pharmacy Shizuoka College of Pharmacy Shizuoka College of Pharmacy Shizuoka College of Pharmacy Shizuoka College of Pharmacy Shizuoka College of Pharmacy
Five new guaiane-type sesquiterpene glycosides have been isolated from Crepidiastrum keiskeanum NAKAI (Compositae). Their structures were elucidated on the basis of spectral data and several chemical transformations.