1-Methyl-S-(3-methylthiophosphoryl)imidazolium 1H-Imidazolium, 1-(hydroxy(methylthio)phosphinyl)-3-methyl-, hydroxide, inner salt 70951-04-1 BRN 3964200 IMIDAZOLIUM, 1-METHYL-3-(S-METHYL-THIOPHOSPHONO)-, inner salt MSPI Methyl-1-(S-methylphosphoryl-3) imidazolium [French]