InChI=1S/C36H28O15/c1-11-2-15-23(17-6-13(38)8-20(41)26(17)29(43)25(15)19(40)3-11)24-16-4-12(10-37)5-22(28(16)30(44)27-18(24)7-14(39)9-21(27)42)50-36-33(47)31(45)32(46)34(51-36)35(48)49/h2-10,23-24,31-34,36,38-42,45-47H,1H3,(H,48,49)