Tataroside, a new germacrolide glucoside, was isolated from the roots
of Lactuca tatarica and characterized as xy-11,13-dihydrocostunolide-3
-beta-glucopyranoside on the basis of mass and H-1 NMR spectra, includ
ing H-1-H-1 COSY experiments. (C) 1998 Elsevier Science Ltd. All right
s reserved.