Synonyms: 1-Butanaminium,N-ethyl-N-methyl-N-[2-[2-(trimethylammonio)ethoxy]ethyl]-, diiodide (9CI);Ammonium,N-butyl-N-ethyl-N,N',N',N'-tetramethyl-N,N'-(oxydiethylene)bis[-iodide] (6CI);N-Butyl-N-ethyl-N,N',N',N'-tetramethyl-N,N'-(oxydiethylene)bis[ammonium iodide]