Synonyms: (1S,2S,4R,9beta,16alpha)-1,2,16,20-Tetrahydroxy-9,10,14-trimethyl-11,22-dioxo-4,9-cyclo-9,10-secocholest-5-en-25-yl acetate;19-Norlanost-5-ene-11,22-dione, 25-(acetyloxy)-2,3,16,20-tetrahydroxy-9-methyl-, (2beta,3alpha,9beta,10alpha,16alpha)-;estr-5-en-11-one, 17-[(1R)-5-(acetyloxy)-1-hydroxy-1,5-dimethyl-2-oxohexyl]-2,3,16-trihydroxy-4,4,9,14-tetramethyl-, (2beta,3alpha,9beta,10alpha,16alpha,17beta)-