InChI=1S/C26H22O13/c27-13-3-1-2-9-14(28)6-10(19(31)17(9)13)11-7-15(29)12-4-8(5-16(30)18(12)20(11)32)38-26-23(35)21(33)22(34)24(39-26)25(36)37/h1-5,10-11,21-24,26-27,30,33-35H,6-7H2,(H,36,37)