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