The dichloromethane extract of the whole plant of Leontodon hispidus a
fforded one new and two known guaian-5,12-olides. The structure of the
new compound has been established by extensive 2D NMR techniques as y
droxyhypocretenolide-beta-D-glucopyranoside-4'-14 ''-hydroxyhypocreten
oate. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.