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Tetraethylammonium
go.drugbank.com/drugs/DB08837InvestigationalBecause of its inhibitory actions at the autonomic ganglia, tetraethylammonium was thought to be a potential therapeutic vasodilator but serious toxic effects were found. … Its mechanism of action is still being investigated, but it is known that tetraethylammonium blocks autonomic ganglia, calcium- and voltage- activated potassium channels, and nicotinic acetylcholine receptors
Nigericin
go.drugbank.com/drugs/DB14056ExperimentalIt is produced by Streptomyces hygroscopicus. (From Merck Index, 11th ed)
Carbocromen
go.drugbank.com/drugs/DB13279ApprovedWithdrawnCarbocromen was marketed for use in Germany as a vasodilator, however, it has been discontinued due to the risk of arrhythmia development [L5635].
Nifuroxazide
go.drugbank.com/drugs/DB13855InvestigationalMixtures: METRONIDAZOL/NIFUROXAZIDA 300 MG/100 MG.Products: GASTIL 200 MG, NIRABEN CAPSULE 200 mgAllobarbital
go.drugbank.com/drugs/DB13577InvestigationalMixtures: SPASMO-PANALGINE 125 MG 10 SUPOZITUARTetrahydrofolic acid
go.drugbank.com/drugs/DB00116InvestigationalNutraceuticalIt is converted into 5,10-methylenetetrahydrofolate by serine hydroxymethyltransferase. It is a soluble coenzyme in many reactions, especially in the metabolism of amino acids and nucleic acids.
Sodium zirconium cyclosilicate
go.drugbank.com/drugs/DB14048ApprovedInvestigational[L2933] It is administered orally and is odorless, tasteless, and stable at room temperature.