3-(Diethoxyphosphoryloxy)-N-trimethylanilinium methylsulfate 3-(Diethylphosphato)-N-trimethylanilinium methylsulfate 5823-10-9 AMMONIUM, (m-HYDROXYPHENYL)TRIMETHYL-, METHYLSULFATE, DIETHYLPHOSPHATE Benzenaminium, 3-((diethoxyphosphinyl)oxy)-N,N,N-trimethyl-, methyl sulfate (9CI) Diethyl phosphostigmine methylsulfate Phosphoric acid, diethyl ester, ester with (m-hydroxyphenyl)trimethylammonium methylsulfate Ro 30340