(2-Hydroxy-3-methoxyphenyl)trimethylammonium iodide dimethylcarbamate (ester) 66967-82-6 AMMONIUM, (2-HYDROXY-3-METHOXYPHENYL)TRIMETHYL-, IODIDE, DIMETHYLCARBAMATE (este Ammonium, (2-hydroxy-3-methoxyphenyl)trimethyl-, iodide, dimethylcarbamate (ester) Ro 2-2113