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