InChI=1/C12H18N4O4S/c1-9-3-2-6-15(8-9)21(19,20)12-5-4-10(16(17)18)7-11(12)14-13/h4-5,7,9,14H,2-3,6,8,13H2,1H3/t9-/m1/s1 FC1A1DE51781D17C