InChI=1S/C16H17N3O3S/c20-7-1-2-11-9(5-7)10-6-12(16(21)22)19-13(14(10)18-11)8-3-4-17-15(8)23/h1-2,5,8,12-13,18-20H,3-4,6H2,(H,17,23)(H,21,22)