InChI=1S/C16H19N3O3S/c1-3-5-11-9-14(20)19-16(18-11)23-10-15(21)17-12-6-4-7-13(8-12)22-2/h4,6-9H,3,5,10H2,1-2H3,(H,17,21)(H,18,19,20)