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The title compound, (6,7-dimeth­oxy-3,4-dihydro-2H-chromen-4-yl)(5-meth­oxy-2,2-dimeth­yl-2H-chromen-6-yl)­meth­an­one, C24H25O6, is a modified rotenoid. In the crystal structure, the chromene ring is disordered, together with its attached methyl and methoxy groups. The mol­ecules are packed as layers parallel to the ac plane. These layers are inter­connected through C—H...O inter­actions to form a three-dimensional network.
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