InChI=1/C18H17N3O3S/c1-13-4-10-16(11-5-13)25(23,24)21-15-8-6-14(7-9-15)20-18(22)17-3-2-12-19-17/h2-12,19,21H,1H3,(H,20,22)/f/h20H 8744D07F7EB7054B