InChI=1/C19H12F4N2O3/c1-28-10-7-14(22)16(15(23)8-10)18-17(24)12(4-5-25(18)27)19(26)11-3-2-9(20)6-13(11)21/h2-8H,24H2,1H3 994955EA20860585