InChI=1/C15H16N4O4S/c1-18(9-13-6-3-7-24-13)10-14(20)16-17-15(21)11-4-2-5-12(8-11)19(22)23/h2-8H,9-10H2,1H3,(H,16,20)(H,17,21)/p+1/fC15H17N4O4S/h16-18H/q+1 B5805ADF49EB67EC