InChI=1/C21H17FN2O/c22-15-7-10-20(19(23)12-15)24-16-8-9-18-14(11-16)6-5-13-3-1-2-4-17(13)21(18)25/h1-4,7-12,24H,5-6,23H2 453C81C66A521220