Naphthalene-2,3-dicarbonitrile
1,3-bis(4-cyanophenyl)thiourea
Urea, N,N'-bis(4-cyanophenyl)-
[1,1'-Binaphthalene]-4,4'-dicarbonitrile
![[1,1'-Binaphthalene]-4,4'-dicarbonitrile](http://m.chemsoon.com//upload/0201/24422c7b274f1783a36d8bd2da84c38b.png)