Synonyms: (2-Mercaptoethyl)trimethylammoniumiodide, O,O-diethyl phosphorothioate (6CI); (2-Mercaptoethyl)trimethylammoniumiodide, S-ester with O,O-diethyl phosphorothioate (7CI); Ammonium,(2-mercaptoethyl)trimethyl-, iodide, S-ester with O,O-diethyl phosphorothioate(8CI); Ethanaminium, 2-[(diethoxyphosphinyl)thio]-N,N,N-trimethyl-, iodide (9CI);217MI; Diethoxyphosphinylthiocholine iodide; Diethylphosphorylthiocholineiodide; Echothiopate iodide; Echothiophate iodide; Ecostigmini jodidum;Ecothiopate iodide; N-[2-(Diethoxyphosphinylthio)ethyl]trimethylammoniumiodide; Phospholine iodide; S-(2-Dimethylaminoethyl)O,O-diethylphosphorothioate methiodide; S-(Diethyl phosphono)thiocholine iodide