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.
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1316