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organic compounds
In the title compound, 17β-hydroxyestra-1,3,5(10)-trien-3-yl benzoate, C25H28O3, the B, C and D rings adopt envelope, chair and envelope conformations, respectively. Both phenyl rings are planar. The structure is internally stabilized by C—HO hydrogen-bond interactions and is also externally stabilized by one O—HO and one C—HO hydrogen bond.