InChI=1S/C15H17N3O4S/c1-9-12(5-6-19)14(22)18-15(16-9)23-8-13(21)17-10-3-2-4-11(20)7-10/h2-4,7,19-20H,5-6,8H2,1H3,(H,17,21)(H,16,18,22)