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The title compound, C24H34O6·2C3H7NO, which was isolated from fumaric-modified rosin, has four asymmetrically fused six-membered rings and three carboxylic acid substituents. It contains two fused and unbridged cyclo­hexane rings, which form a trans ring junction with a chair conformation. The asymmetric unit includes one fumaropimaric acid and two dimethyl­formamide mol­ecules. The crystal structure is stabilized through inter­molecular O—H...O hydrogen bonds between dimethyl­formamide and fumaropimaric acid.
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