Wyślij emailem: 1′-(4-Bromo­phen­yl)-4′-{4-[(2-oxo-1,2,3,4-tetra­hydro­naphthalen-2-yl­idene)meth­yl]phen­yl}-3′′,4′′-dihydro­acenaphthylene-1-spiro-2′-pyrrolidine-3′-spiro-2′′-naphthalene-2,1′′(1H,2′′H)-dione