1-Methyl-1-(2-methyl-3-oxo-3-(2-(trimethylammonio)ethoxy)propyl)pyrrolidinium diiodide 2-Trimethylammonioethyl 2-methyl-3-(1-methylpyrrolidinio)propionate diiodide Pyrrolidinium, 1-methyl-1-(2-methyl-3-oxo-3-(2-(trimethylammonio)ethoxy)propyl)-, diiodide UY4562000