InChI=1S/C22H25NO10S/c1-31-11-8-6-10(7-9-11)19(34-13-5-3-2-4-12(13)23)17(27)21(30)33-22-16(26)14(24)15(25)18(32-22)20(28)29/h2-9,14-19,22,24-27H,23H2,1H3,(H,28,29)