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