InChI=1/C18H18N2O5S/c21-15(18(24)25)19-16-14(17(22)23)12-7-9-20(10-13(12)26-16)8-6-11-4-2-1-3-5-11/h1-5H,6-10H2,(H,19,21)(H,22,23)(H,24,25)/p-1/fC18H17N2O5S/h19-20H/q-1 67A90E64A3CD9DC9