InChI=1S/C22H21NO9/c24-15-8-11-5-6-23-14(13(11)9-16(15)25)7-10-1-3-12(4-2-10)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)