InChI=1/C21H20N4O3S/c26-20(14-29-19-10-8-17(9-11-19)25(27)28)23-16-6-4-15(5-7-16)21-22-13-18-3-1-2-12-24(18)21/h4-11,13H,1-3,12,14H2,(H,23,26)/f/h23H C137E5AEB7D87F9A