63981-70-4 AMMONIUM, ((3-HYDROXY-4-ETHYL)PHENYL)TRIMETHYL-, IODIDE, METHYLCARBAMATE Ammonium, ((4-ethyl-3-methylcarbamoyloxy)phenyl)trimethyl-, iodide Carbamic acid, N-methyl-, 3-dimethylamino-6-ethylphenyl ester, methiodide Carbamic acid, methyl-, (2-ethyl-5-(trimethylammonio)phenyl) ester, iodide T-1722