InChI=1S/C26H20O13/c27-11-5-1-3-8-12(28)7-10(17(30)14(8)11)26-22(34)15-9(16(29)23(26)39-26)4-2-6-13(15)37-25-20(33)18(31)19(32)21(38-25)24(35)36/h1-6,10,18-21,23,25,27,31-33H,7H2,(H,35,36)