InChI=1S/C36H30O15/c37-10-12-4-16-23(15-2-1-3-19(39)25(15)29(43)26(16)20(40)6-12)24-17-5-13(11-38)7-21(41)27(17)30(44)28-18(24)8-14(9-22(28)42)50-36-33(47)31(45)32(46)34(51-36)35(48)49/h1-9,23-24,31-34,36-42,45-47H,10-11H2,(H,48,49)