title: Preparation of certain nuclear-substituted 2 aminophenol-sulphonic acids.
mesh_terms: D000143:Acids; D000627:Aminophenols; D013451:Sulfonic Acids
chemical_list: D000143:Acids; D000627:Aminophenols; D013451:Sulfonic Acids; C027667:2-aminophenol
keywords: ACID/sulfonic