1-Propanaminium, N,N-dimethyl-N-ethyl-3-(2-(dimethylethylammonio)ethoxy)-3-oxo-, diiodide 2-(Dimethylethylammonio)ethyl 3-(dimethylethylammonio)propionate diiodide N,N-Dimethyl-N-ethyl-3-(2-(dimethylethylammonio)ethoxy)-3-oxo-1-propanaminium diiodide TX2175000