1,3-dipolar compounds having the structure:
C00845.png
See also: oxonium ylides (Note 2)
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1325 (https://doi.org/10.1351/pac199567081307)