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