InChI=1/C22H21ClFNO4/c1-12(2)19(11-26)25-10-16(22(28)29)21(27)15-9-13(6-7-18(15)25)8-14-4-3-5-17(23)20(14)24/h3-7,9-10,12,19,26H,8,11H2,1-2H3,(H,28,29)/p-1/t19-/m1/s1/fC22H20ClFNO4/q-1 13DCFD7496EF7B27