1,2-Benzenedicarbonitrile, 3,4,5,6-tetrachloro-
Phthalonitrile, tetrachloro-
3,4,5,6-Tetrachloro-1,2-benzenedicarbonitrile
Tetrachlorophthalonitrile
Tetrachlorophthalodinitrile
3,4,5,6-Tetrachlorophthalonitrile
3,4,5,6-Tetrachloro-1,2-dicyanobenzene
3,4,5,6-Tetrachlorophthalodinitrile
1,2-Dicyano-3,4,5,6-tetrachlorobenzene