1H-Naphth[2,3-d]imidazolium, 4,9-dihydro-2-methyl-1-(2-methylpropyl)-3-[2-(4-nitrophenyl)-2-oxoethyl]-4,9-dioxo-, bromide 1H-Naphth[2,3-d]imidazolium, 4,9-dihydro-3-isobutyl-2-methyl-1-(p-nitrophenacyl)-4,9-dioxo- bromide 4,9-DIHYDRO-2-METHYL-1-(2-METHYLPROPYL)-3-[2-(4-NITROPHENYL)-2-OXOETHYL]-4,9-DIOXO-1-H-NAPHTH[2.3-D]IMIDAZOLIUM, BROMIDE NSC80467