InChI=1S/C26H22O13/c1-9(12-8-15(29)10-4-2-6-13(27)16(10)19(12)31)18(30)17-11(5-3-7-14(17)28)25(37)39-26-22(34)20(32)21(33)23(38-26)24(35)36/h2-7,12,20-23,26-28,32-34H,1,8H2,(H,35,36)