Synonyms: (4-Dimethylcarbamoyloxybut-2-ynyl)trimethylammonium iodide;Ammonium, (4-hydroxy-2-butynyl)trimethyl-, iodide, dimethylcarbamate;AC1L56YP;LS-18196;4-(dimethylcarbamoyloxy)but-2-ynyl-trimethylazanium iodide;2-Butyn-1-aminium, 4-(((dimethylamino)carbonyl)oxy)-N,N,N-trimethyl-, iodide;2-Butyn-1-aminium, 4-(((dimethylamino)carbonyl)oxy)-N,N,N-trimethyl-, iodide (9CI);3854-12-4