In the title compound, 17 beta-hydroxyestra-1,3,5(10)-trien-3-yl benzo
ate, C25H28O3, the B, C and D rings adopt envelope, chair and envelope
conformations, respectively. Both phenyl rings are planar. The struct
ure is internally stabilized by C-H...O hydrogen-bond interactions and
is also externally stabilized by one O-H...O and one C-H...O hydrogen
bond.