Heterocyclic Compounds, 3-Ring. Fused Heterocyclic Compounds, Three-Ring . Heterocyclic Cpds, 3 Ring . Three Ring Heterocyclic Compounds . 3-Ring Heterocyclic Compounds . Fused Heterocyclic Compounds, Three Ring . Heterocyclic Compounds, 3 Ring . A class of heterocyclic compounds that include a three-ring fused structure. Both aromatic or non-aromatic ring structures are included in this category. . 1.00
Heterocyclic Compounds, 1-Ring. Heterocyclic Cpds, 1-Ring . 1-Ring Heterocyclic Compounds . 1-Ring Heterocyclic Cpds . Heterocyclic Compounds, 1 Ring . Heterocyclic Cpds, 1 Ring . Organic compounds that contain a ring structure made up of carbon and one or more additional elements such as nitrogen and oxygen. . 0.80
Heterocyclic Compounds. Compounds, Heterocyclic . Cyclic compounds that include atoms other than carbon in their ring structure. . 0.80
Heterocyclic Compounds, 2-Ring. Fused Heterocyclic Compounds, Two-Ring . Two Ring Heterocyclic Compounds . 2-Ring Heterocyclic Compounds . Fused Heterocyclic Compounds, Two Ring . Heterocyclic Compounds, 2 Ring . A class of heterocyclic compounds that include a two-ring fused structure. Both aromatic and non-aromatic ring structures are included in this category. . 0.79