title: A note on the colorimetric determination of butyrophenones with 3,5-dinitrobenzoic acid.
mesh_terms: D002090:Butyrophenones / Q000032:analysis*; D003124:Colorimetry; D000431:Ethanol; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D008722:Methods
chemical_list: D002090:Butyrophenones; D007202:Indicators and Reagents; D000431:Ethanol