1-Methyl-1-(2-(1-oxo-3-(trimethylammonio)propoxy)ethyl)pyrrolidinium diiodide 2-(1-Methylpyrrolidinio)ethyl 3-trimethylammoniopropionate diiodide Pyrrolidinium, 1-methyl-1-(2-(1-oxo-3-(trimethylammonio)propoxy)ethyl)-, diiodide UY4565300