The chemical Stilonium iodide has a designated molecular formula of C22H30INO and a molecular weight of 451.392 g/mol. Synonyms may include: M.G. 624, Elvetil, Iodure de stilonium [INN-French], Ioduro de estilonio [INN-Spanish], Ioduro di trietil-(beta-4-stilbenossi-etil)ammonio [Italian], Stilonii iodidum [INN-Latin], Stilonio ioduro [DCIT], (2-(p-Styrylphenoxy)ethyl)triethylammonium iodide, Triethyl(2-(p-styrylphenoxy)ethyl)ammonium iodide, Iodure de stilonium (ChemID). Stilonium iodide has been assigned a MeSH pharmacological action of: Nicotinic Antagonist.