Indeno[1',2':2,3]indeno[5,4-b]furan-5,8,10-triol, 1-(3,5-dihydroxyphenyl)-1,2,6,6a,11,11a-hexahydro-2,6,11-tris(4-hydroxyphenyl)-, (1R,2R,6R,6aR,11R,11aR)-rel-(+)- [ 868168-04-1 ]