1-Butanaminium, N,N'-[(3,6-dioxo-1,4-cyclohexadiene-1,4-diyl)bis(imino-3,1-propanediyl)]bis[N,N-diethyl-, dibromide 73680-60-1 Ammonium, [p-benzoquinon-2,5-ylenebis(iminotrimethylene)]bis[butyldiethyl-, dibromide Benzoquinone, 2,5-bis[3-(diethylamino)propylamino], bis(butobromide) NSC231593