InChI=1/C12H18N4O4S/c13-7-11(17)16-8-12(18)15-6-5-9-1-3-10(4-2-9)21(14,19)20/h1-4H,5-8,13H2,(H,15,18)(H,16,17)(H2,14,19,20)/p+1/fC12H19N4O4S/h13,15-16H,14H2/q+1 CEF5E132A07EFBD0