Compounds of structure RN2+Y−, in which R is generally but not necessarily aryl, and the cations of which are usually formulated as RN+≡N, E.g. PhN+≡N benzenediazonium chloride. , Ühendid üldvalemiga RN2+Y−, kus R on tavaliselt arüülrühm, ja katioonid üldvalemiga RN+≡N.