InChI=1/C16H17N3O3S/c1-11(12-7-9-13(10-8-12)23(20,21)17-2)18-16-19-14-5-3-4-6-15(14)22-16/h3-11,17H,1-2H3,(H,18,19)/t11-/m0/s1/f/h18H CF5EB2BE3AF4F1F5