<unk>  (INN, BAN), glycyrrhetinic acid or glycyrrhetic acid is a pentacyclic triterpenoid derivative of the beta-amyrin type obtained from the hydrolysis of glycyrrhizic acid, which was obtained from the herb liquorice. It is used in flavoring and it masks the bitter taste of drugs like aloe and quinine. It is effective in the treatment of peptic ulcer and also has expectorant (antitussive) properties.  It has some additional pharmacological properties including antiviral, antifungal, antiprotozoal, and antibacterial activities.
Enoxolone
Tibolone
Quinbolone
Pyrazolone
Carbenoxolone
Oxymetholone
Quinolone
Fluorometholone