title: Enzyme mediated reduction of 21-dehydrocorticosteroids at C-20: isolation and characterization of derivatives containing the 20beta-hydroxy-21-aldehyde side chain.
mesh_terms: D000305:Adrenal Cortex Hormones; D000447:Aldehydes; D006913:Hydroxysteroid Dehydrogenases / Q000378:metabolism*; D013058:Mass Spectrometry; D013055:Spectrophotometry, Infrared; D013302:Streptomyces / Q000201:enzymology; D013329:Structure-Activity Relationship
chemical_list: D000305:Adrenal Cortex Hormones; D000447:Aldehydes; D006913:Hydroxysteroid Dehydrogenases