title: Colorimetric analysis of procaine hydrochloride.
mesh_terms: D000447:Aldehydes; D002934:Cinnamates; D003124:Colorimetry; D004837:Epinephrine / Q000032:analysis; D007202:Indicators and Reagents; D007263:Infusions, Parenteral; D008722:Methods; D009994:Osmolar Concentration; D011343:Procaine / Q000032:analysis*; D012545:Schiff Bases; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000447:Aldehydes; D002934:Cinnamates; D007202:Indicators and Reagents; D012545:Schiff Bases; D011343:Procaine; D004837:Epinephrine