Although this term has, regrettably, been used to mean the N-nitroso derivatives of @[email protected], logically it refers to @[email protected] of nitrous acid; the @[email protected] parent compound H2NNO is, in fact, named nitrosamide, but its derivatives formed by substitution with @[email protected] groups are by long custom called @[email protected]
See also:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1352 [Terms] [Paper]