InChI=1/C26H27FN2O2/c1-26(2,23-12-6-9-19-8-3-4-11-22(19)23)28-25(31)20-13-14-24(30)29(17-20)16-18-7-5-10-21(27)15-18/h3-12,15,20H,13-14,16-17H2,1-2H3,(H,28,31)/t20-/m1/s1/f/h28H 8F48E5FBD22C2801