2-(1,4-dioxonaphthalen-2-yl)naphthalene-1,4-dione

2-溴-1,4-萘醌

2-oxalobenzene-1,3-dicarboxylic acid

5-溴-n-硝基吡啶-2-胺

9-bromo-2,7-dinitro-9H-fluorene