In the crystal structure of the title compound, C32H34O6, the molecule is located on a twofold rotation axis. The two naphthyl fused-ring systems are aligned at 72.6 (1)°. Weak intermolecular C—H⋯O hydrogen bonding is present in the crystal structure.
The two naphthyl fused-ring systems in the title compound, C22H26O6, are aligned at 86.7 (1)°. Weak intermolecular C—H⋯O hydrogen bonding is present in the crystal structure.
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