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