The molecule is a proanthocyanidin isolated form Ephedra sinica. It has a role as a plant metabolite. It is a proanthocyanidin and a hydroxyflavan.
(1S,5R,6R,13S)-5,13-bis(4-hydroxyphenyl)-4,12,14-trioxapentacyclo[11.7.1.02,11.03,8.015,20]henicosa-2(11),3(8),9,15,17,19-hexaene-6,9,17,19-tetrol