InChI=1/C18H19N2O4S/c1-13(2)25(22,23)19-14-8-9-17-16(12-14)18(21)20(10-11-24-17)15-6-4-3-5-7-15/h3-9,12-13H,10-11H2,1-2H3/q-1	1A77CC9E0ECD2947