InChI=1/C21H21FN2O3/c1-14(26)20-21(10-5-11-25,15-6-3-2-4-7-15)19-13-27-18-9-8-16(22)12-17(18)24(19)23-20/h2-4,6-9,12,19,25H,5,10-11,13H2,1H3/t19-,21+/m0/s1 9F11EECC49C86732