1,2-Benzenedicarbonitrile, 4-nitro- 3,4-Dicyanonitrobenzene 31643-49-9 4-Nitro-1,2-benzenedicarbonitrile 4-Nitrophthalonitrile 5-Nitro-1,2-benzenedicarbonitrile 5-Nitrobenzene-1,2-dicarbonitrile EINECS 250-748-9 NSC 123374 Phthalonitrile, 4-nitro-