18659-44-4 AMMONIUM, (6-HYDROXYTHYMYL)TRIMETHYL-, IODIDE, METHYLCARBAMATE Ammonium, (6-(N-methylcarbamoyloxy)thymyl)trimethyl-, iodide Carbamic acid, N-methyl-, 4-dimethylaminocarvacryl ester, methiodide Carbamic acid, methyl-, (5-trimethylammonio)carvacryl ester, iodide SB-29