In the title compound, C18H18O4, the planes of the benzene rings are twisted by 81.60 (5)°. In the crystal, weak C-H⋯O hydrogen bonds link the mol-ecules into supra-molecular chains extending along the a axis.
* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.