Eprazinone 2hydrochloride is a drug with proposed mucolytic, secretolytic, and bronchial antispasmodic properties.

Letosteine (Viscotiol) is an orally active, effective, and safe expectorant that can be used in the study of acute or chronic respiratory diseases, for example, bronchopulmonary disease.

Sodium Tetradecyl Sulfate is a detergent sclerosant with antithrombotic effects and commonly used for the treatment of varicose veins.