InChI=1/C17H19N3O4S/c21-17(19-22)16-2-1-11-25(23,24)20(16)12-13-3-5-14(6-4-13)15-7-9-18-10-8-15/h3-10,16,22H,1-2,11-12H2,(H,19,21)/t16-/m1/s1/f/h19H 4603076B97DF997D