InChI=1/C12H17N3O4S/c13-9-11-3-1-2-8-14(11)20(18,19)12-6-4-10(5-7-12)15(16)17/h4-7,11H,1-3,8-9,13H2/p+1/t11-/m1/s1/fC12H18N3O4S/h13H/q+1 E902734B26192D22