Synonyms: (2-Hydroxy-1-methylethyl)trimethylammoniumiodide, acetate (6CI,7CI); 2-Propanaminium, 1-(acetyloxy)-N,N,N-trimethyl-,iodide (9CI); Ammonium, (2-hydroxy-1-methylethyl)trimethyl-, iodide, acetate(8CI); Acetyl-a-methylcholineiodide; Betacholyl; NSC 281058