63977-55-9 AMMONIUM, N,N-DIMETHYL-N,N',N',N'-TETRAETHYL-N,N'-OXYBIS(TRIMETHYLENE)DI-, DIBRO AS-17,843 Ammonium, N,N-dimethyl-N,N',N',N'-tetraethyl-N,N'-oxybis(trimethylene)di-, dibromide