https://doi.org/10.1351/goldbook.A00269
Compounds having the structure $\ce{RC(=NH)NHNH2}$ or $\ce{RC(NH2)=NNH2}$, formally derived from carboxylic acids. These tautomers are named hydrazide imides and amide hydrazones, respectively. Also included are $N$-hydrocarbyl derivatives.