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