SMILES: C1[C@H]([C@H](OC2=C1C(=CC3=C2[C@H]4C[C@@](O3)(OC5=CC(=CC(=C45)O)O)C6=CC=C(C=C6)O)O)C7=CC=C(C=C7)O)O
Description: The molecule is a proanthocyanidin isolated form Ephedra sinica. It has a role as a plant metabolite. It is a proanthocyanidin and a hydroxyflavan.