InChI=1S/C22H23NO9/c24-15-10-4-2-1-3-9(10)13-12-8(5-6-23-14(12)15)7-11(16(13)25)31-22-19(28)17(26)18(27)20(32-22)21(29)30/h1-4,7,14-15,17-20,22-28H,5-6H2,(H,29,30)