InChI=1/C15H16N4O4S/c1-23-14(22)9-2-4-10(5-3-9)17-12(20)6-7-24-15-18-11(16)8-13(21)19-15/h2-5,8H,6-7H2,1H3,(H,17,20)(H3,16,18,19,21)/f/h17,19H,16H2 3AE1E524CDA23CDF