Glysobuzole (stabinol) is a sulfonamide derivative with antihyperglycemic activity. Like sulfonylureas, glysobuzole is able to lower blood glucose levels by increasing the release of insulin from pancreatic beta cells.

Nicainoprol, also known as RU-42924, is calcium channel antagonist and a putative class I antiarrhythmic agent. Nicainoprol was shown to be useful in the prevention and treatment of arrhythmias associated with acute myocardial infarction. Nicainoprol had been in phase II clinical trials for the treatment of arrhythmia. However, this research has been discontinued.

Ampyrimine is a diuretic agent.

Diacetamate (Acetaminophen Acetate, Acetaminophen Impurity, diacetyl-p-aminophenol) is a acetaminophen synthetic impurity. Acetaminophen-aspirin mixtures have lower stability due to acetylation of the former by the latter, producing diacetyl-p-aminophenol.

Mefeserpine (Methoxyphenoserpine) is a hypotensive reserpoid with a weak central depressive effect.