Synonyms: Kobophenol B;AC1LCT7P;1H-2,16:10,16a-dimethanobenzo[8,9]benzofuro[5',4':5,6]cyclonona[1,2,3-cd]benzofuran-1,3(2H)-dione, 15-(3,5-dihydroxyphenyl)-4b,5,10,14,15,16-hexahydro-8,11-dihydroxy-5,14,17,18-tetrakis(4-hydroxypheny;133383-20-7;InChI=1/C56H40O12/c57-29-9-1-24(2-10-29)42-48-38(64)22-37-46-44-36(20-35(63)21-40(44)67-54(46)27-7-15-32(60)16-8-27)45-47-39(65)23-41-49(50(47)52(42)56(37,55(48)66)51(45)25-3-11-30(58)12-4-25)43(28-17-33(61)19-34(62)18-28)53(68-41)26-5-13-31(59)14-6-26/;rel-(2R,4bS,5S,10R,14S,15S,16R,16aS,17S,18S)-15-(3,5-dihydroxyphenyl)-8,11-dihydroxy-5,14,17,18-tetrakis(4-hydroxyphenyl)-4b,5,10,14,15,16-hexahydro-1H-2,16:10,16a-dimethanobenzo[8,9][1]benzofuro[5',4