2478-92-4 AMMONIUM, (2-MERCAPTOETHYL)TRIMETHYL-, IODIDE, S-ESTER with O-ETHYL METHYLPHOSPH Ammonium, (2-mercaptoethyl)trimethyl-, iodide, S-ester with O-ethyl methylphosphonothioate Ammonium, (2-mercaptoethyl)trimethyl-, iodide, ethyl methylphosphonothioate, (ester) Ethoxy methylphosphoryl thio choline iodide Methylethoxyphosphorylthiocholine iodide O-Ethyl S-trimethylammoniumethyl methylphosphonothioate iodide