9(10->5)abeo-1-estren-3,10-17-trione

10-Hydroxyestra-1,4-diene-3,17-dione

17,17-ethylenedioxyestra-1,3,5(10),9(11)tetraen-3-ol

methyl 2-((3aS,4R,7aS)-7a-methyl-1-oxo-2,3,3a,4,7,7a-hexahydro-1H-inden-4-yl)acetate