InChI=1S/C17H17N3O4S/c21-13-2-1-7-18-15(13)19-8-9-24-12-5-3-11(4-6-12)10-14-16(22)20-17(23)25-14/h1-7,14,21H,8-10H2,(H,18,19)(H,20,22,23)