InChI=1S/C37H32O16/c1-12-6-18(39)26-28(41)24(17-10-15(47-3)11-21(49-5)23(17)32(26)50-12)25-16-8-14(38)9-20(48-4)22(16)33(27-19(40)7-13(2)51-34(25)27)52-37-31(44)29(42)30(43)35(53-37)36(45)46/h6-11,29-31,35,37-38,41-44H,1-5H3,(H,45,46)