Mesh term Heterocyclic Compounds, 4 or More Rings
Browse to parent terms:Heterocyclic Compounds, Fused-Ring
Description
A class of heterocyclic compounds that include four or more fused rings. Both aromatic or non-aromatic ring structures are included in this category.Browse to child terms:
Aporphines
Benzophenanthridines
Berberine Alkaloids
Cevanes
Dihydro-beta-Erythroidine
Ergolines
Ergotamines
Harringtonines
Morphinans
Pterocarpans
Rifamycins
Rotenone
Tetrapyrroles
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