diazoates

Also contains definition of: diazotates
https://doi.org/10.1351/goldbook.D01690
Salts RN=NOM+ (R commonly aryl) of the compounds RN=NOH , (hydrocarbon)diazohydroxides, e.g. PhN=NOK+ potassium benzenediazoate. In the IUPAC 'Blue Book' these compounds are named as hydrocarbyldiazenolates and hydrocarbyldiazenols, respectively. E.g. PhN=NOH phenyldiazenol. RN=NOM+ are also known by the non-IUPAC name diazotates.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1332 (https://doi.org/10.1351/pac199567081307)