64050-79-9 AMMONIUM, (m-HYDROXYPHENYL)TRIMETHYL-, METHYLSULFATE, METHYLPHENYLCARBAMATE Ammonium, (3-(N'-methyl-N'-phenylcarbamoyloxy)phenyl)trimethyl-, methylsulfate Carbamic acid, N-methyl-N-phenyl-, 3-(trimethylammonio)phenyl ester Methylphenylcarbamic ester of 3-oxyphenyltrimethylammonium methylsulfate