InChI=1S/C9H13N3O7S/c10-7-1-2-12(9(14)11-7)8-3-5(6(4-13)18-8)19-20(15,16)17/h1-2,5-6,8,13H,3-4H2,(H2,10,11,14)(H,15,16,17)