68134-11-2 Ethanaminium, 2-hydroxy-N,N-dimethyl-N-(2-((1-oxo-9-octadecenyl)amino)ethyl)-, methyl sulfate Ethanaminium, 2-hydroxy-N,N-dimethyl-N-(2-((1-oxo-9-octadecenyl)amino)ethyl)-, methyl sulfate (salt)