69657-92-7 Benzeneacetamide, N-(4-bromo-9,10-dihydro-2-methyl-9,10-dioxo-1-anthracenyl)-2-nitro- N-(4-Bromo-9,10-dihydro-2-methyl-9,10-dioxo-1-anthracenyl)-2-nitrobenzeneacetamide