amidrazones

Also contains definitions of: amide hydrazones, hydrazide imides
https://doi.org/10.1351/goldbook.A00269
Compounds having the structure
RC(=NH)NHNH2
or
RC(NH2)=NNH2
, formally derived from carboxylic acids. These tautomers are named hydrazide imides and amide hydrazones, respectively. Also included are N-hydrocarbyl derivatives.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1316 (https://doi.org/10.1351/pac199567081307)