https://doi.org/10.1351/goldbook.I02958
Salts in which the @C00907@ has the structure R2C=N+R2. Thus N-hydronated @I02957@ and their N-substituted derivatives. The synonymous terms imonium compounds and immonium compounds are irregularly formed and should not be used.
See:
quaternary ammonium compounds
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1343 [Terms] [Paper]