InChI=1/C13H12ClFN2O3/c1-6-9(12(18)20-2)11(17-13(19)16-6)10-7(14)4-3-5-8(10)15/h3-5,11H,1-2H3,(H2,16,17,19)/t11-/m1/s1/f/h16-17H FBDDB320D957B69E