InChI=1/C18H18N3O3S/c1-14-6-3-4-7-15(14)13-24-17-9-5-8-16(10-17)20-25(22,23)18-11-19-21(2)12-18/h3-12H,13H2,1-2H3/q-1 7F3E27B738AF7C0B