MeSH definition : A group of compounds which can be described as benzo-pyrano-furano-benzenes which
can be formed from ISOFLAVONES by internal coupling of the B ring to the 4-ketone
position. Members include medicarpin, phaseolin, and pisatin which are found in FABACEAE.;
Wikipedia link : https://en.wikipedia.org/wiki/Pterocarpans;
A group of compounds which can be described as benzo-pyrano-furano-benzenes which
can be formed from ISOFLAVONES by internal coupling of the B ring to the 4-ketone
position. Members include medicarpin, phaseolin, and pisatin which are found in FABACEAE.