InChI=1S/C18H19N3O3S/c1-13-6-8-15(9-7-13)25(23,24)21-18(22)19-11-10-14-12-20-17-5-3-2-4-16(14)17/h2-9,12,20H,10-11H2,1H3,(H2,19,21,22)