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