Heterocyclic Compounds, 4 or More Rings
A class of heterocyclic compounds that include four or more fused rings. Both aromatic or non-aromatic ring structures are included in this category.
Year introduced: 2017(1998)
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Subheadings:
Tree Number(s): D03.633.400
MeSH Unique ID: D006576
Entry Terms:
- Heterocyclic Compounds with Four or More Rings
- Heterocyclic Cpds, 4 or More Rings
- Heterocyclic Compounds with 4 or More Rings
- Heterocyclic Compounds, 4-Ring
- 4-Ring Heterocyclic Compounds
- Heterocyclic Compounds, 4 Ring
- Fused Heterocyclic Compounds, Four-Ring
- Fused Heterocyclic Compounds, Four Ring
- Heterocyclic Cpds, 4 Ring
- Four Ring Heterocyclic Compounds
- Heterocyclic Compounds, 5-Ring
- 5-Ring Heterocyclic Compounds
- Heterocyclic Compounds, 5 Ring
- Fused Heterocyclic Compounds, Five-Ring
- Fused Heterocyclic Compounds, Five Ring
- Heterocyclic Cpds, 5 Ring
- Five Ring Heterocyclic Compounds