InChI=1S/C20H27N3O9S/c1-20(19(31)32,16(27)11-5-3-2-4-6-11)33-10-13(17(28)22-9-15(25)26)23-14(24)8-7-12(21)18(29)30/h2-6,12-13,16,27H,7-10,21H2,1H3,(H,22,28)(H,23,24)(H,25,26)(H,29,30)(H,31,32)