{{Short description|Class of chemical compounds}} 100px|thumb|Chemical structure of sydnone imine
'''Sydnone imine''' is a mesoionic heterocyclic aromatic chemical compound. Sydnone imine is the imine of sydnone where the keto functional group of sydnone (=O) has been replaced with an imine (=NH) group.
==Pharmaceutical drugs== A variety of pharmaceutical drugs include sydnone imines in their chemical structure including feprosidnine, linsidomine, mesocarb, and molsidomine, among others.
== Chemical structure == In sydnone imines, both the negative and the positive charges are delocalized within the ring and the imine group. :400px|Resonance forms of a sydnone imine
== See also ==
* Montréalone * Münchnone * Sydnone
==External links== * [https://goldbook.iupac.org/terms/view/S06206 IUPAC Goldbook entry] * [https://books.google.com/books?id=OQrIk2rlduAC&dq=mesoionic+sydnone&pg=PA86 Dictionary of Organic Compounds]
Category:Simple aromatic rings Category:Oxadiazoles Category:Imines