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