InChI=1S/C17H17N3O3S/c21-16-14(24-17(22)20-16)11-12-4-6-13(7-5-12)23-10-9-19-15-3-1-2-8-18-15/h1-8,14H,9-11H2,(H,18,19)(H,20,21,22)