InChI=1/C17H18N2O4S/c20-13-7-6-12(16-15(13)19-17(22)24-16)14(21)10-18-8-9-23-11-4-2-1-3-5-11/h1-7,14,18,20-21H,8-10H2,(H,19,22)/p-1/t14-/m0/s1/fC17H17N2O4S/h20h,19H/q-1 B75C1B8C1370BDE5