3-(tert-butyldimethylsilyloxy)-1,3,5(10)-estratrien-17β-O,17α-pentanolactone

3-(tert-butyldimethylsilyloxy)-17α-(5'-hydroxypentyl)-1,3,5(10)-estratrien-17β-ol

(8R,9S,13S,14S,17S)-3-(tert-Butyl-dimethyl-silanyloxy)-13-methyl-17-[4-(tetrahydro-pyran-2-yloxy)-butyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol

(8R,9S,13S,14S,16R,17S)-16-(4-Amino-butyl)-3-(tert-butyl-dimethyl-silanyloxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol

(8R,9S,13S,14S,16R,17S)-16-(4-Azido-butyl)-3-(tert-butyl-dimethyl-silanyloxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol