1-Propanaminium, N,N-dimethyl-3-(2-(dimethylpropylammonio)ethoxy)-3-oxo-N-propyl-, diiodide 2-(Dimethylpropylammonio)ethyl 3-(dimethylpropylammonio)propionate diiodide N,N-Dimethyl-3-(2-(dimethylpropylammonio)ethoxy)-3-oxo-N-propyl-1-propanaminium diiodide TX2172000