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