InChI=1S/C23H18O13/c24-6-3-8(25)13-9(4-6)33-19-12-7-1-2-32-22(7)34-10(12)5-11(14(19)15(13)26)35-23-18(29)16(27)17(28)20(36-23)21(30)31/h1-5,7,16-18,20,22-25,27-29H,(H,30,31)