1-Piperidinecarboxylic acid, (4-(trimethylammonio)-3-ethyl)phenyl ester, iodide 63981-73-7 AMMONIUM, ((4-HYDROXY-2-ETHYL)PHENYL)TRIMETHYL-, IODIDE, 1-PIPERIDINECARBOXYLATE Ammonium, ((4-(piperidinocarbonyloxy)-2-ethyl)phenyl)trimethyl-, iodide Carbamic acid, N,N-pentamethylene-, 3-ethyl-4-dimethylaminophenyl ester, methiodide TL-1413