InChI=1/C15H12N4O4S/c1-2-9(10-13(22)18-15(24)19-14(10)23)16-6-3-4-7-8(5-6)12(21)17-11(7)20/h3-5,16H,2H2,1H3,(H,17,20,21)(H2,18,19,22,23,24)/f/h17-19H 2A9EAA4B2D9AD4AD