heterocyclyl groups

https://doi.org/10.1351/goldbook.H02799
Univalent groups formed by removing a hydrogen atom from any ring atom of a @[email protected] E.g.
H02799.png
See:
organyl
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1340 [Terms] [Paper]