InChI=1/C20H20F2N2O3/c1-24(11-13-3-6-18(27-20(21)22)19(9-13)26-2)12-16-15-10-23-8-7-14(15)4-5-17(16)25/h3-10,20,25H,11-12H2,1-2H3/p+1/fC20H21F2N2O3/h24H/q+1 2F9C886EE81624F3