Diazocyclohexadienones, which may also be considered as dipolar diazonio
phenoxides, obtained by diazotizing aromatic primary
amines having a hydroxy group in an
ortho or
para position. Also known as diazophenols.
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995))
on page 1332