[Assessment of the quality and certification of biologically active synthetic and natural compounds]. / Otsenka kachestva i sertifikatsiia biologicheski aktivnykh soedinenii sinteticheskogo i prirodnogo proiskhozhdeniia.

The paper summarizes the authors' experimental findings and analyzes the present status and trends of assessment of the quality and certification of biologically active synthetic and natural compounds. It is shown that methods for qualitative determination of the similarity and difference of their physicochemical properties should be developed to make their objective assessment.