InChI=1/C17H17N3O4S/c1-11-4-3-5-13(10-11)17(22)19-18-16(21)12(2)25-15-8-6-14(7-9-15)20(23)24/h3-10,12H,1-2H3,(H,18,21)(H,19,22)/t12-/m0/s1/f/h18-19H 1DE58D31142F15D8