InChI=1S/C16H23N3O11S/c17-7(15(27)28)1-3-10(21)19-8(14(26)18-5-12(24)25)6-31-13(16(29)30)9(20)2-4-11(22)23/h2,4,7-9,13,20H,1,3,5-6,17H2,(H,18,26)(H,19,21)(H,22,23)(H,24,25)(H,27,28)(H,29,30)/b4-2+