InChI=1S/C8H15N3O8S/c9-5(1-10-3-13)11-8-6(14)7(4(2-12)18-8)19-20(15,16)17/h3-4,6-8,12,14H,1-2H2,(H2,9,11)(H,10,13)(H,15,16,17)