InChI=1S/C21H20N4O2S/c1-12-7-8-17-19(9-12)28-21(24-17)25-20(27)18(23-13(2)26)10-14-11-22-16-6-4-3-5-15(14)16/h3-9,11,18,22H,10H2,1-2H3,(H,23,26)(H,24,25,27)