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