InChI=1/C21H19N3O5S/c1-24-16-7-5-4-6-13(16)19-20(30(24,25)26)18(15(11-22)21(23)29-19)14-10-12(27-2)8-9-17(14)28-3/h4-10,18H,23H2,1-3H3/t18-/m1/s1 C37C1460BF120962