InChI=1/C15H18N4O4S/c1-9-2-3-10(24-9)12(21)16-8-11(20)19-6-4-15(5-7-19)13(22)17-14(23)18-15/h2-3H,4-8H2,1H3,(H,16,21)(H2,17,18,22,23)/f/h16-18H 1DD7744B9616AAE5