The structure of a new mehacm named salannohde has been elucidated by physlcochemlcal data The unique feature of this compound 1s the presence of a hydroxybutenohde side chain m place of the usual furan ring attached at C-17; From the fresh leaves and roots of Dtonaea musctpula, two new substances (dlomuscmone and dlomusapulone) have been isolated together with the known naphthoqumone plumbagm The structures of the new compounds have been elucidated on the basis of then spectral data coupled with some chemical evidence