79763-29-4

[4,8':4',8'':4'',8'''-Quater-2H-1-benzopyran]-3,- 3',3'',3''',5,5',5'',5''',7,7',7'',7'''-dodecol,2,2',2'',- 2'''-tetrakis(3,4-dihydroxyphenyl)-3,3',3'',3''',4,- 4',4'',4'''-octahydro-,(2R,2'R,2''R,2'''R,3R,3'R,- 3''R,3'''S,4R,4'R,4''S)-