63977-22-0 AMMONIUM, N,N-DIMETHYL-N,N',N',N'-TETRAETHYL-N,N'-OXYETHYLENETRIMETHYLENEDI- DIB AS-8429 Ammonium, N,N-dimethyl-N,N',N',N'-tetraethyl-N,N'-oxyethylenetrimethylenedi- dibromide