InChI=1S/C36H30O16/c1-11-5-17(37)25-27(40)21-15(7-13(47-3)9-19(21)39)23(32(25)49-11)24-16-8-14(48-4)10-20(22(16)28(41)26-18(38)6-12(2)50-33(24)26)51-36-31(44)29(42)30(43)34(52-36)35(45)46/h5-10,29-31,34,36,39-44H,1-4H3,(H,45,46)