2-[1'-(Benz-yloxy)spiro-[indane-1,2'-pyrrolidine]-5'-yl]aceto-nitrile.

In the title compound, C21H22N2O, the planes of the two six-membered rings make a dihedral angle of 89.51 (7)°. The pyrrolidine ring has a puckering amplitude q 2 = 0.