A class of heterocyclic compounds that include a two-ring fused structure. Both aromatic and non-aromatic ring structures are included in this category.
Synonyms: 0, Heterocyclic Compounds, 2 Ring, 2-Ring Heterocyclic Compounds, Fused Heterocyclic Compounds, Two Ring, Fused Heterocyclic Compounds, Two-Ring, Two Ring Heterocyclic Compounds, Heterocyclic Compounds, 2-Ring
Instance information
comment
general or unspecified; prefer specifics ,98 ,98; use explode 1967-97
identifier
D006574