(2,4-Dihydroxy-6-methoxy-phenyl)-[2-(4-hydroxy-2,6-dimethoxy-benzoyl)-3,4-diphenyl-cyclobutyl]-methanone InChI=1/C33H30O8/c1-39-23-15-20(34)14-22(36)28(23)32(37)30-26(18-10-6-4-7-11-18)27(19-12-8-5-9-13-19)31(30)33(38)29-24(40-2)16-21(35)17-25(29)41-3/h4-17,26-27,30-31,34-36H,1-3H3/t26-,27-,30+,31+/m0/s rel-1beta-(4,6-Dihydroxy-2-methoxy)-benzoyl-rel-2alpha-(2,6-dimethoxy-4-hydroxy)-benzol-rel-(3beta,4alpha)-diphenylcyclobutane