https://doi.org/10.1351/goldbook.H02881
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 [Terms] [Paper]