InChI=1S/C36H30O16/c1-11-5-16(37)24-20(49-11)8-13-7-18(39)25(28(41)21(13)27(24)40)23-15-9-14(47-3)10-19(48-4)22(15)32(26-17(38)6-12(2)50-33(23)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)