InChI=1/C19H17N3O3S/c20-26(24,25)22-18-8-4-7-17(13-18)21-19(23)16-11-9-15(10-12-16)14-5-2-1-3-6-14/h1-13,22H,(H,21,23)(H2,20,24,25)/f/h21H,20H2 E9DA5530A05E79A2