InChI=1/C17H12ClN3O4/c1-9-3-2-4-11-15(9)19-16(20-17(11)23)12(18)7-10-5-6-14(22)13(8-10)21(24)25/h2-8,22H,1H3,(H,19,20,23)/p-1/b12-7-/fC17H11ClN3O4/q-1 850FAE1B9D197D87