InChI=1S/C36H26O15/c1-9-2-11-20(18(3-9)50-36-33(47)31(45)32(46)34(51-36)35(48)49)30(44)26-17(42)7-15(40)23-24-14(39)6-16(41)25-28(24)22(21(11)27(23)26)12-4-10(8-37)5-13(38)19(12)29(25)43/h2-7,31-34,36-42,45-47H,8H2,1H3,(H,48,49)