The molecule is a member of the class of pterocarpans that is phaseollidin in which the prenyl group is replaced by a 3-hydroxy-3-methylbutyl group. It has a role as a phytoalexin. It derives from a phaseollidin.
(6aR,11aR)-10-(3-hydroxy-3-methylbutyl)-6a,11a-dihydro-6H-[1]benzofuro[3,2-c]chromene-3,9-diol