InChI=1S/C37H32O16/c1-12-6-18(39)26-28(41)22-17(10-15(47-3)11-21(22)49-5)25(33(26)51-12)24-16-8-14(38)9-20(48-4)23(16)32-27(19(40)7-13(2)50-32)34(24)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)