InChI=1/C20H18N2O2/c23-20(14-22-11-9-15-5-1-2-6-16(15)13-22)21-18-10-12-24-19-8-4-3-7-17(18)19/h1-9,11,13,18H,10,12,14H2/p+1/t18-/m0/s1/fC20H19N2O2/h21H/q+1 067EFEB129053AE0