Demethylbatatasin IV is a natural compound that can be found in the water yam (Dioscorea alata)[1].
Definition
ChEBI: Demethylbatatasin IV is a stilbenoid.
References
[1] E.I.Cline, et al. INDUCTION OF PAL ACTIVITY AND DIHYDROSTILBENE PHYTOALEXINS IN DIOSCOREA ALATA AND THEIR PLANT GROWTH INHIBITORY PROPERTIES. Phytochemistry, Vol. 28, No 10, pp. 2621-2625, 1989.