Compounds bearing the group N3, viz.
usually attached to carbon, e.g.
phenyl azide or azidobenzene.
Salts of hydrazoic acid, HN3, e.g. NaN3
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1320