* cyanonitrene -  or  (one of the nitrogens is univalent)
* azodicarbonitrile -  or , cis and trans isomers
* cyanogen azide -  or 
* 1-diazidocarbamoyl-5-azidotetrazole - 
* 2,2′-azobis(5-azidotetrazole) - 
* triazidotriazine (cyanuric triazide) -  ()
* triazidoheptazine -  ()
* tricyanomethanimine (dicyanomethylene-cyanamide) -  or 
* diazidodicyanoethylene -  or  and , cis and trans
* dicyanodiazomethane -  or 
*  -  or  (and isomers cyanoisocyanocarbene , diisocyanocarbene , 3-cyano-2H-azirenylidene and 3-isocyano-2H-azirenylidene)
* 1,3,5-triazido-2,4,6-tricyanobenzene -  ()
* nitrogen tricyanide  and carbon bis(cyanamide) , two formal monomers of polymeric