InChI=1S/C37H34O16/c1-51-27-15-19(5-9-23(27)41)31-30(18-4-8-22(40)26(44)14-18)32(36(49)52-28(34(45)46)12-16-2-6-20(38)24(42)10-16)33(31)37(50)53-29(35(47)48)13-17-3-7-21(39)25(43)11-17/h2-11,14-15,28-33,38-44H,12-13H2,1H3,(H,45,46)(H,47,48)