InChI=1/C21H22N2O2/c1-16(18-9-6-14-22-15-18)23(2)21(24)13-11-19-10-12-20(25-19)17-7-4-3-5-8-17/h3-10,12,14-16H,11,13H2,1-2H3/t16-/m1/s1 F61F3563318F81F6