InChI=1/C21H16F5NO2/c1-9-8-20(2,3)27-14-7-13-16(17(23)15(9)14)11-5-4-10(22)6-12(11)18(13)29-19(28)21(24,25)26/h4-8,18,27H,1-3H3/t18-/m0/s1 10FA7467FD9020A6