16-去氢黄体酮

16,17-alpha环氧孕烯醇酮

[5-(3-ethyl-3-methyloxiran-2-yl)-3-methylpent-1-en-3-yl] acetate

6β-methoxy-3α,5α-cyclo-pregn-16-en-20-one

3β-hydroxypregn-5-ene-16,20-dione