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