tetrameric proanthocyanidin from rhizomes of Davallia mariesii; structure given in first source
Also Known As:
epicatechin-(4-6)-epiafzelechin-(4-8)-epicatechin-(4-6)-epicatechin; (4,6':4',8'':4'',6'''-Quater-2H-1-benzopyran)-3,3',3'',3''',5,5',5'',5''',7,7',7'',7'''-dodecol, 2,2'',2'''-tris(3,4-dihydroxyphenyl)-3,3',3'',3''',4,4',4'',4'''-octahydro-2'-(4-hydroxyphenyl)-, (2R-(2alpha,3alpha,4beta(2'R*,3'R*,4'S*(2''R*,3''R*,4'))))