InChI=1S/C23H20O13/c1-7(24)34-6-8-5-10-13(16(28)12-9(15(10)27)3-2-4-11(12)25)20(14(8)26)35-23-19(31)17(29)18(30)21(36-23)22(32)33/h2-5,17-19,21,23,25-26,29-31H,6H2,1H3,(H,32,33)