(4-Ethyl-3-hydroxyphenyl)trimethylammonium iodide methylcarbamate (ester) Ammonium, (4-ethyl-3-hydroxyphenyl)trimethyl-, iodide, methylcarbamate (ester) BQ5915010 Methiodide of N-methylurethane of 3-dimethylamino-6-ethylphenol