* cyanide -  ion, cyanide  and isocyanide  functional groups
* dicyanamide -  or 
* tricyanomethanide -  or 
* pentacyanoethanide -  or 
* pentacyanopropenide (pentacyanoallyl anion) - 
* 2-dicyanomethylene-1,1,3,3-tetracyanopropanediide 
* tricyanomelaminate anion - 
* melonate - 
*  anions -  (n odd) and  (n even)
* cyanoacetlyide -  or 
* cyanobutadiynylide -  or 
* cyanopolyynide anions -  (n odd)