InChI=1/C16H18N2O4S/c19-12-7-4-3-6-11(12)10-13-15(22)18-16(23-13)17-9-5-1-2-8-14(20)21/h3-4,6-7,10,19H,1-2,5,8-9H2,(H,20,21)(H,17,18,22)/p-1/b13-10-/fC16H17N2O4S/h17H/q-1 E662A1E699FFB819