3β-hydroxy-pregn-5-en-20-one semicarbazone

二去甲胆烯醛

3α,6α-diacetoxy-5β-pregnanone-(20)

2-acetoxy-5,5,20,20-bis(ethylenedioxy)-4,5-secopregnan-3-one

17α-methoxy-21-hydroxy-4-pregnene-3,20-dione