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Anthanthrone is an organic compound that is classified as a polycyclic aromatic diketone. It is prepared by cyclization of 1,1'-dinaphthyl-8,8'-dicarboxylic acid. By bromination, it is a precursor to 4,10-dibromoanthanthrone, also known as Pigment Red 168.
References
Anthanthrone Wikipedia(Text) CC BY-SA