InChI=1S/C20H27N3O9S/c1-9(2)16-13(25)5-10(7-24)17(29)18(16)33-8-12(19(30)22-6-15(27)28)23-14(26)4-3-11(21)20(31)32/h5,9,11-12,24H,3-4,6-8,21H2,1-2H3,(H,22,30)(H,23,26)(H,27,28)(H,31,32)