Hexasonium

thiospasmin

2-(2-cyclohexyl-2-phenylacetyl)oxyethyl-dimethylsulfanium iodide

2-(2-cyclohexyl-2-phenyl-acetyl)oxyethyl-dimethyl-sulfonium iodide

2-(2-cyclohexyl-2-phenyl-ethanoyl)oxyethyl-dimethyl-sulfanium iodide