InChI=1/C17H16N2O3S/c1-12-6-5-9-17(18-12)19-23(20,21)16-11-10-15(22-2)13-7-3-4-8-14(13)16/h3-11H,1-2H3,(H,18,19)/f/h18H 6CEF57DBB37C26F0