InChI=1S/C23H20O13/c24-8-3-6(33-23-18(29)16(27)17(28)20(36-23)21(30)31)4-10-13(8)15(26)14-9(25)5-11-12(19(14)34-10)7-1-2-32-22(7)35-11/h3-5,7,16-18,20,22-25,27-29H,1-2H2,(H,30,31)