InChI=1S/C22H21NO9/c24-12-3-1-10(2-4-12)7-14-13-9-15(25)16(8-11(13)5-6-23-14)31-22-19(28)17(26)18(27)20(32-22)21(29)30/h1-6,8-9,17-20,22,24-28H,7H2,(H,29,30)