InChI=1/C16H17N3O3S/c1-2-11-6-5-7-12(10-11)17-16(20)15-18-13-8-3-4-9-14(13)23(21,22)19-15/h3-10,15,18-19H,2H2,1H3,(H,17,20)/t15-/m1/s1/f/h17H FFA4CDD2E741B87C