imidoyl carbenes

https://doi.org/10.1351/goldbook.I02953
carbenes having the structure RC(=NR)C:–R. Imidoyl is a shortened but imprecise term for carboximidoyl, RC(=NH)–.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1343 (https://doi.org/10.1351/pac199567081307)