Abstract Immature seeds of M. ferruginea and subsp. ferruginea and subsp. darassana yielded three rotenoids (rotenone, tephrosin and 12a-hydroxyrotenone), four pyrano- isoflavones (ferrugone, durmillone, calopogonium isoflavone-A and barbigerone) and three novel C-prenylated isoflavones named preferrugone, predurmillone and prebarbigerone. The root bark of the latter subspecies also afforded the novel C-prenylated isoflavone pre- ...
![4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one,3-(4,7-dimethoxy-1,3-benzodioxol-5-yl)-8,8-dimethyl- (9CI) Structure](https://image.chemsrc.com/caspic/302/7731-08-0.png)