isoconjugate systems

https://doi.org/10.1351/goldbook.IT07059
Molecular entities with similar conjugate networks which have the same number of π-electrons, e.g. cyclopentadienide @A00358@ and pyrrole or benzene and pyridine.
Source:
PAC, 1999, 71, 1919. (Glossary of terms used in theoretical organic chemistry) on page 1947 [Terms] [Paper]