InChI=1/C12H16N4O4S/c13-14-11-4-3-10(16(17)18)6-12(11)21(19,20)15-7-8-1-2-9(15)5-8/h3-4,6,8-9,14H,1-2,5,7,13H2/t8-,9+/m0/s1 A318DD290EC9229C