title: Commerically available 'pure' Azure dyes - caveat emptor.
mesh_terms: D001399:Azure Stains / Q000032:analysis*; D002851:Chromatography, High Pressure Liquid; D005069:Evaluation Studies as Topic; D010640:Phenothiazines / Q000032:analysis*
chemical_list: D001399:Azure Stains; D010640:Phenothiazines