- Concept UI
- M0010294
- Scope Note
- A class of heterocyclic compounds that include a three-ring fused structure. Both aromatic or non-aromatic ring structures are included in this category.
- Terms
-
Heterocyclic Compounds, 3-Ring
Preferred Term
Term UI
T019795
Date01/01/1999
LexicalTag
NON
ThesaurusID
NLM (1966)
-
Fused Heterocyclic Compounds, Three-Ring
Term UI
T000899516
Date04/22/2016
LexicalTag
NON
ThesaurusID
NLM (2017)
-
Three Ring Heterocyclic Compounds
Term UI
T000899517
Date04/22/2016
LexicalTag
NON
ThesaurusID
NLM (2017)
-
Heterocyclic Cpds, 3 Ring
Term UI
T019794
Date02/28/1978
LexicalTag
NON
ThesaurusID
UNK (19XX)