1-(3-Diazo-4-ethoxy-2,4-dioxobutyl)-4-aza-1-azoniabicyclo[2.2.2]octane- AIDS-159336 AIDS159336 Ethyl 4-(1lambda~5~,4-diazabicyclo[2.2.2]oct-1-yl)-2-(1lambda~5~-diazenylidene)-3-oxobutanoate hydrobromide NSC697918 (BROMIDE SALT)