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In the title compound, C 25 H 17 NO 4 , the indolizine fused naphthaquinone unit is approximately planar [r.m.s deviation = 0.0678 Å] and makes a dihedral angle of 57.82 (5)° with the benzene ring of the meth­oxy­benzene group. The naphtho­quinone O atoms deviate, in the same sense, from the mean plane of the fused six-membered rings by 0.2001 (14) and 0.0516 (14) Å. In the crystal there is π–π stacking of inversion-related pairs of mol­ecules [inter­planar spacing = 3.514 (2) Å].

12-(4-Methoxybenzoyl)-2-methylbenzo[f]pyrido[1,2-a]indole-6,11-dione