InChI=1S/C23H23NO9/c1-9(2)5-6-12-10(3)20-14(7-13(12)25)32-21-16(23(31)33-20)11(4)18(28)19(29)17(21)22(30)24-8-15(26)27/h5,7,25,28-29H,6,8H2,1-4H3,(H,24,30)(H,26,27)