InChI=1S/C24H23NO9/c1-24(2)8-7-11-15-12(10-5-3-4-6-14(10)25-15)9-13(19(11)34-24)22(31)33-23-18(28)16(26)17(27)20(32-23)21(29)30/h3-9,16-18,20,23,25-28H,1-2H3,(H,29,30)