InChI=1/C15H17N3O2S/c1-2-4-13-12(3-1)16-14(21-13)18-17-11-5-7-15(8-6-11)19-9-10-20-15/h1-4H,5-10H2,(H,16,18)/f/h18H 9EEF3713898142A3