6′′-Methoxy-1′-methyl-4′-phenylacenaphthene-1- spiro-2′-pyrrolidine-3′-spiro-3′′-chroman-2, 4′′-dione

In the crystal structure of the title compound, C31H25NO4, the five-membered heterocyclic ring is in an envelope conformation and the dihydro-pyrone ring is in a half-chair conformation. © International Union of Crystallography 2007.