InChI=1/C20H17ClFNO5/c1-28-17-9-16-13(19(25)14(20(26)27)10-23(16)5-6-24)8-12(17)7-11-3-2-4-15(21)18(11)22/h2-4,8-10,24H,5-7H2,1H3,(H,26,27)/p-1/fC20H16ClFNO5/q-1 58B2598C1918EB22