105093-74-1

Indeno[1',2':2,3]indeno[5,6-b]furan-4,7,9-triol,3-(3,5-dihydroxyphenyl)-2,3,5,5a,10,10a-hexahydro-2,5,10-tris(4-hydroxyphenyl)-,(2a,3b,5b,5ab,10b,10ab)-