InChI=1/C16H10ClN3O5/c17-10-2-1-3-11(8-10)19-16(23)12(15(22)18-19)6-9-4-5-14(21)13(7-9)20(24)25/h1-8,21H,(H,18,22)/b12-6-/f/h18H 70123B7D3126E979