3.beta.,5,17.alpha.-trihydroxy-6.beta.-methyl-16-methylene-5...

3.beta.,7.beta.,15.alpha.-trihydroxy-5-androsten-17-one, its...

3.beta.-acetoxy-11-oxo-noroleanene-(12)-20.beta.-carboxylic-...

3.beta.-acetoxy-6,16-dimethyl-16.alpha.,17.alpha.-epoxypregn...

3.beta.-alkanoyloxy-6-alkyl-5,16-pregnadien-20-ones and...

3.beta.-alkylamino-alkoxy-.delta.5-sterols

3.beta.-hydroxy (or acyloxy)-.delta.5(10)-steroids and these...

3.beta.-hydroxy steroids of the pregnane series and...

3.beta.-hydroxy-2-(substituted...

3.beta.-hydroxy-4-pregnene derivatives and preparation thereof

3.beta.-hydroxy-5.alpha.(6.alpha.),16.alpha.(17.alpha.)-diep...

3.beta.-hydroxy-5.alpha.-cardenolides and -bufadienolides...

35665 rp antibiotic, its preparation process and...

36 -des (3 -methoxy-4 -hydroxycyclohexyl) 36 - (3...

36- derivatives of rifamycins

36-derivatives of rifamycins and their use as antimicrobial...

38-decarboxy-38-hydroxymethyl derivatives of teicoplanin...

39-desmethoxy derivatives of rapamycin

39-desmethoxy-39-methyl derivatives of rapamycin

3a,4,5,9b-tetrahydro-1h-benz¬e|indol-2-yl amine-derived...