19447-71-3 AMMONIUM, (2-HYDROXYETHYL)DIMETHYLPHENYL-, METHYL SULFATE, ESTER with METHYLPHOS Ammonium, (2-hydroxyethyl)dimethylphenyl-, methyl sulfate, ester with methylphosphinofluoridate O-(2-(N-Methyl-N-phenylamino)ethyl)methyl-fluoro-phosphonate dimethyl sulfate