1α,2α-epoxy-3β-(tert-butyldimethylsilyloxy)-20(R)-(3-methoxycarbonylpropyl)pregna-5,7-diene

(R)-5-((3R,9S,10R,13R,14R,17R)-3-Acetoxy-10,13-dimethyl-4,9,10,11,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-hexanoic acid methyl ester

3α-(tert-butyldimethylsilyloxy)-20(R)-(3-cyanopropyl)pregnane

methyl (R)-5-((2R,4aR,4bR,6aR,7R,9aR,9bS,14aS)-2-acetoxy-4a,6a-dimethyl-11,13-dioxo-12-phenyl-2,4a,4b,5,6,6a,7,8,9,9a,12,13-dodecahydro-1H,11H-9b,14a-ethenobenzo[c]cyclopenta[h][1,2,4]triazolo[1,2-a]cinnolin-7-yl)hexanoate

20(R)-(3-methoxycarbonylpropyl)pregna-1,5-dien-3-one

3α-(tert-butyldimethylsilyloxy)-20(R)-(3-hydroxypropyl)pregnane

3α-(tert-butyldimethylsilyloxy)-20(R)-(3-iodopropyl)pregnane

3α-hydroxy-20(R)-(3-ethoxycarbonylpropyl)pregnane

20(R)-(3-ethoxycarbonylpropyl)pregna-1,4-dien-3-one

lithocholic acid methyl ester tert-butyldimethylsilyl ether

3β-hydroxy-20(R)-(3-methoxycarbonylpropyl)pregna-1,5-diene