Lucigenin is an aromatic compound used in areas which include chemoluminescence. Its chemical name is bis-N-methylacridinium nitrate. It exhibits a bluish-green fluorescence.
It is used as a probe for superoxide anion in biology, for its chemiluminescent properties.
Synthesis
It may be prepared from acridone.
There's also a route from toluene:
References
Lucigenin Wikipedia(Text) CC BY-SA