IQUINDAMINE is an antitussive agent.

Mexafylline, a theophylline derivative, is a bronchodilator that has never been marketed.

Cefetrizole is aminocephalosporanic acid derivative with broad antibacterial activity against penicillin-resistant strains patented by Spanish pharmaceutical company Ferrer Internacional S. A.

Mengylate is an antitussive and local anesthetic.

Tiamenidine (also known as HOE 440) is a diazacycloalkene derivative patented by Farbwerke Hoechst A.-G. as 2 alpha-sympathomimetic antihypertensive agents. In preclinical models, tiamenidine induces hypotension and bradycardia in renal hypertensive cats and rats and in normal rats and dogs. Furthermore, Tiamenidine inhibits the liberation of norepinephrine from nerves leading to the heart and suppress sympathetic circulatory reflexes in dogs. In clinical trials, Tiamenidine exerts favor influences on systolic and diastolic blood pressure, and reduces plasma noradrenaline and adrenaline levels and suppresses plasma renin activity. Unfortunately, during the withdrawal of Tiamenidine, there is a rebound of blood pressure and plasma noradrenaline and adrenaline, overshooting baseline levels.

Ternidazole is a nitroimidazolealkanol derivative patented by Societe des usines chimiques Rhone-Poulenc as antitrichomonas agent useful for the treatment of Protozoal infections and other conditions.

Cefclidin is a fourth-generation cephalosporin antibiotic effective against a clinical strain of Citrobacter freundii. The affinity of cefclidin for the β-lactamase isolated from these mutants was lower than that of ceftazidime, and the kinetic parameters of enzymatic hydrolysis showed that cefclidin was hydrolyzed more slowly at a low concentration than was ceftazidime. It is suggested that the high activity of cefclidin against strains derepressed for β-lactamase plays a major role in the absence of emergence of resistant mutants.

Cefazaflur (INN) is a semisynthetic first-generation cephalosporin antibiotic patented by Smithkline Corp. For treatment of bacterial infections.