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