InChI=1/C20H18ClFN2O6/c21-13-6-7-15(24-20(29)30-11-12-4-2-1-3-5-12)14(8-13)19(28)23-16(9-18(26)27)17(25)10-22/h1-8,16H,9-11H2,(H,23,28)(H,24,29)(H,26,27)/p-1/t16-/m1/s1/fC20H17ClFN2O6/h23-24H/q-1 306888051C2AFDE3