InChI=1S/C34H34O20/c35-13-3-1-11(2-4-13)18-9-16(37)22-15(36)7-14(8-19(22)51-18)50-33-28(44)25(41)24(40)21(53-33)10-49-32(48)12-5-17(38)23(39)20(6-12)52-34-29(45)26(42)27(43)30(54-34)31(46)47/h1-8,18,21,24-30,33-36,38-45H,9-10H2,(H,46,47)