文摘
The new monoterpenoid coumarins, pituranthoside [(−)-S-trans-marmin-7′-O-β-d-glucopyranoside] and (−)-S-trans-marmin, as well as four known coumarins, xanthotoxol, umbelliferone, isopimpinellin and bergapten, were isolated from the shoots of Pituranthos triradiatus and spectroscopically characterized.