InChI=1S/C20H31N3O9S/c1-9(2)10-6-13(24)20(3,32)17(16(10)28)33-8-12(18(29)22-7-15(26)27)23-14(25)5-4-11(21)19(30)31/h9-12,17,32H,4-8,21H2,1-3H3,(H,22,29)(H,23,25)(H,26,27)(H,30,31)