title: Unsuspected impurities in imipramine and desipramine standards and pharmaceutical formulations.
mesh_terms: D002626:Chemistry, Pharmaceutical; D003891:Desipramine / Q000592:standards*; D008401:Gas Chromatography-Mass Spectrometry; D007099:Imipramine / Q000592:standards*; D012015:Reference Standards
chemical_list: D007099:Imipramine; D003891:Desipramine