Abstract:A new monoterpene glycoside named shio nc, side C was isolated from the root of Aster tataricus L. f. (Compositae). lts structure was elucidaied as L-endo-camphanol-8-O-3,5-isopropylidene-β-D-apiofuranosyl- (1-6) -β-glucopyranoside ( Ⅰ ) by means of spectral and chemical evidence.