Androst-5-ene-3,17-diol-17-propiolic acid

3,17-Dihydroxypregn-5-ene-20-yne-21-carboxyl

3,17-Dihydroxyandrost-5-ene-17-propiolic acid

3,17-Dihydroxypregn-5-ene-20-yne-21-carboxylic acid