InChI=1/C21H21N3O3S/c1-17-9-11-20(12-10-17)28(26,27)24(19-7-3-2-4-8-19)16-21(25)23-15-18-6-5-13-22-14-18/h2-14H,15-16H2,1H3,(H,23,25)/f/h23H D7454BE3227F333E