InChI=1S/C20H29N3O9S/c1-32-9-15(25)18(11-2-4-12(24)5-3-11)33-10-14(19(29)22-8-17(27)28)23-16(26)7-6-13(21)20(30)31/h2-5,13-15,18,24-25H,6-10,21H2,1H3,(H,22,29)(H,23,26)(H,27,28)(H,30,31)