InChI=1/C11H18N4O4S/c1-7(2)8(3)14-20(18,19)9-4-5-10(13-12)11(6-9)15(16)17/h4-8,13-14H,12H2,1-3H3/t8-/m1/s1 E58B213A0E41BDF6