InChI=1/C19H18N2O5S/c1-24-13-8-12(9-14(10-13)25-2)18(23)20-19-21(11-17(22)26-3)15-6-4-5-7-16(15)27-19/h4-10H,11H2,1-3H3 FF0DAFCE63AEFFA5