title: A method for detecting free phenolic groups and indole derivatives in thin-layer or paper chromatography.
mesh_terms: D002854:Chromatography, Paper / Q000379:methods; D002855:Chromatography, Thin Layer / Q000379:methods; D007211:Indoles / Q000032:analysis*; D010636:Phenols / Q000032:analysis*
chemical_list: D007211:Indoles; D010636:Phenols