Hydrazine (diazane),
H2NNH2, and its
hydrocarbyl derivatives. When one or more substituents are
acyl groups, the compound is a hydrazide.
N-Alkylidene derivatives are
hydrazones.
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1341