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