Stereo-specific isomers and method of preparation

Stereoselective method of producing 6.alpha.-fluoropregnanes...

Stereoselective synthesis of 24-hydroxylated compounds...

Stereoselective transacetalization of steroidal c-22 acetonide

Stereospecific reduction of sapogen-3-ones

Steroid (2, 3-c) furazan compounds and the process for the...

Steroid 17,21-ortho esters

Steroid 20-21 enol acetates

Steroid 21-phosphate derivatives

Steroid 5-.alpha.-reductase inhibitors

Steroid 5-alpha-reductase inhibitors

Steroid 5.alpha.-reductase inhibitors

Steroid aminoguanidines and their production

Steroid analogues for neuroprotection

Steroid and method of producing it

Steroid and method of producing these compounds

Steroid bisphosphonates

Steroid compound

Steroid compound

Steroid compound and pharmaceutical compositions containing it