7-Pivaloyl-5,6-dihydro-4H-naphtho[3,2,1-de]isoquinoline-4,6-dione

In the crystal structure of the title compound, C21H17NO3, the dibenzo–isoquinoline–dione unit has a planar structure, the maximum atomic deviation being 0.091 (3) Å. The crystal structure is stabilized by π–π stacking [centroid–centroid distance = 3.851 (2) Å] and intermolecular N—H...O hydrogen bonding.