Title: 2,3-Dicyano-4-[(4-methyl-phenyl-sulfon-yl)-oxy]phenyl 4-methyl-benzene-sulfonate.
Journal: Acta crystallographica. Section E, Structure reports online 20110401
Title: 5,6-Diphenyl-pyrazine-2,3-dicarbonitrile.
Journal: Acta crystallographica. Section E, Structure reports online 20090901
Title: 4,5-Diamino-benzene-1,2-dicarbonitrile.
Journal: Acta crystallographica. Section E, Structure reports online 20090401