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