(2-(Acryloyloxy)ethyl)trimethylammonium methyl sulphate 13106-44-0 Choline, methyl sulfate, acrylate EINECS 236-029-2 Ethanaminium, N,N,N-trimethyl-2-((1-oxo-2-propenyl)oxy)-, methyl sulfate N,N,N-Trimethyl-2-(1-oxo-2-propenyloxy)ethanaminium methyl sulfate Trimethylammonioethyl acrylate, methylsulfate salt