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