(R)-2-((1R,3aR,4S,7aR)-4-(tert-butyldimethylsilyloxy)-7a-methyloctahyrdo-1H-inden-1-yl)propyl 4-methylbenzenesulfonate

(2oS,22S)-De-A,B-8β-[(tert-butyldimethylsilyl)oxy]-25-(methoxymethyl)oxy-22-[(p-tolylsulfonyl)oxymethyl]cholestane

4-bromo-2-methylbutan-2-ol methoxymethyl-ether

(20S)-De-A,B-8β-[(tert-butyldimethylsilyl)oxy]-20-(cyanomethyl)pregnane

(20S,22RS)-De-A,B-8β-[(tert-butyldimethylsilyl)oxy]-22-formyl-25-[(methoxymethyl)oxy]cholestane