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)/f/h15-16H,14H2 E77B128BC556412B