InChI=1/C17H16N2O3S/c1-21-11-9-18-17-19-14(13-8-5-10-22-13)16(23-17)15(20)12-6-3-2-4-7-12/h2-8,10H,9,11H2,1H3,(H,18,19)/f/h18H FD4D350ED8CAE5A6