63981-82-8 AMMONIUM, ((4-HYDROXY-2-BUTYL)PHENYL)TRIMETHYL-, IODIDE, METHYLCARBAMATE Ammonium, ((2-butyl-4-methylcarbamoyloxy)phenyl)trimethyl-, iodide Carbamic acid, N-methyl-, 3-butyl-4-dimethylaminophenyl ester, methiodide Carbamic acid, methyl-, (3-butyl-4-trimethylammonio)phenyl ester, iodide TL-1475