InChI=1/C18H16ClFN2O4/c19-13-5-3-12(4-6-13)16-2-1-9-21(16)18(23)11-26-14-7-8-17(22(24)25)15(20)10-14/h3-8,10,16H,1-2,9,11H2/t16-/m1/s1 5A2981F79871F64F