Coumarins from the roots of Prangos uloptera

6-O-[β-d-Apiofuranosyl-(1 → 6)-β-d-glucopyranosyl]-prenyletin (1), 3″-O-[β-d-apiofuranosyl-(1 → 6)-β-d-glucopyranosyl]-oxypeucedanin hydrate (5) and 2″-O-[β-d-apiofuranosyl-(1 → 6)-β-d-glucopyranosyl]-oxypeucedanin hydrate (6), along with six known coumarins, were isolated from Prangos uloptera.