benzoquinonium

Noun

 * 1)  A cation derived from benzoquinone
 * 2)  The drug  benzyl-[3-4-[3-[benzyl(diethyl)azaniumyl]propylamino]-3,6-dioxocyclohexa-1,4-dien-1-yl]amino]propyl]-diethylazanium  used as the [[dichloride or dibromide that causes neuromuscular paralysis.