1-Methyl-1-(3-oxo-3-(2-(trimethylammonio)ethoxy)propyl)piperidinium diiodide 2-(Trimethylammonio)ethyl 3-(1-methylpiperidinio)propionate diiodide Choline, iodide, ester with 1-(2-carboxyethyl)-1-methylpiperidinium iodide Piperidinium, 1-methyl-1-(3-oxo-3-(2-(trimethylammonio)ethoxy)propyl)-, diiodide TN5953150