InChI=1S/C23H20O13/c24-6-13(26)34-7-8-4-10-14(11(25)5-8)17(28)15-9(16(10)27)2-1-3-12(15)35-23-20(31)18(29)19(30)21(36-23)22(32)33/h1-5,18-21,23-25,29-31H,6-7H2,(H,32,33)