Pyromellitonitrile(6CI);1,2,4,5-Benzenetetranitrile;1,2,4,5-Tetracyanobenzene;Pyromelliticacid tetranitrile;Pyromellitic nitrile;Pyromellitic tetranitrile;Pyromellitotetranitrile;sym-Tetracyanobenzene;
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