title: Specific colorimetric reaction for quantitative determination of 3-hydroxy-  1,5 -diene grouping in steroids.
mesh_terms: D000438:Alcohols / Q000032:analysis; D000535:Aluminum; D000731:Androstanes / Q000032:analysis; D001554:Benzene; D002623:Chemistry Techniques, Analytical; D002712:Chlorides; D002776:Cholestanes / Q000032:analysis; D003124:Colorimetry; D007259:Infrared Rays; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D009578:Nitrobenzenes; D013053:Spectrophotometry; D013057:Spectrum Analysis; D013256:Steroids / Q000032:analysis*; D013261:Sterols / Q000032:analysis; D014466:Ultraviolet Rays
chemical_list: D000438:Alcohols; D000731:Androstanes; D002712:Chlorides; D002776:Cholestanes; D009578:Nitrobenzenes; D013256:Steroids; D013261:Sterols; D000535:Aluminum; D001554:Benzene