3-甲氧基雌甾-1,3,5(10),6,8-五烯-17-酮

3,17α,21-Trihydroxy-19-norpregnen-1,3,5(10),6,8-pentaen-20-on

1,3,5(10),6,8-19-nor-pregnapentaene-3,17α,21-triol-20-one 21-acetate

3-acetoxy-estra-1,3,5(10),6-tetraen-17-one

3-乙酰氧基雌甾-1,3,5,7,9-戊烯-17-酮