text: Dicyanopolyynes are composed of a chain of carbon atoms with alternating single and triple bonds, terminated by nitrogen atoms. Although not a polyyne dicyanoacetylene () otherwise fits within this series.
  *  or ,  (dicyanodiacetylene) 
  *  or , dicyanohexatriyne
  *  or 
  *  or 
  *  or 
  *  or 
  *  or 
  *  or 
  *  or