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Bicyclo[2.2.2]oct-5-ene-2,2,3,3-tetracarbonitrile;
NSC 42845

C12H8N4

Propanedinitrile,2,2'-(1,4-cyclohexanediylidene)bis-;
D1,a:4,a'-Cyclohexanedimalononitrile (7CI,8CI);
1,4-Bis(dicyanomethylene)cyclohexane;
NSC 57669

C12H8N4

2-Pyridinecarbonitrile,4-[2-(2-methyl-1H-imidazol-5-yl)ethynyl]-;
2-Pyridinecarbonitrile,4-[(2-methyl-1H-imidazol-4-yl)ethynyl]- (9CI)

C12H8N4