1α,11α,15β-Triacet­oxy-7β-hydroxy-7α,20-ep­oxy-ent-kaur-16-en-6-one

The title compound, C26H34O9, a natural ent-kaurane diterpenoid, is composed of four rings with the expected cis and trans junctions. In the crystal structure, the mol­ecules stack along the a axis and are linked together by inter­molecular O—H⋯O hydrogen bonds.