InChI=1S/C11H18N4O3S/c1-19-3-2-9(11(17)18)15-10(16)8(12)4-7-5-13-6-14-7/h5-6,8-9H,2-4,12H2,1H3,(H,13,14)(H,15,16)(H,17,18)/t8-,9-/m0/s1