InChI=1/C22H18N4O4S/c1-14-5-2-8-17(11-14)23-20(27)15-6-3-9-18(12-15)24-22(31)25-21(28)16-7-4-10-19(13-16)26(29)30/h2-13H,1H3,(H,23,27)(H2,24,25,28,31)/f/h23-25H D7C2FC58C423C831