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przewalskinic acid A [Supplementary Concept]
isolated from Salvia miltiorrhiza; structure in first source
Date introduced: September 15, 2014
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.
Year introduced: 1998
Heterocyclic Compounds
Cyclic compounds that include atoms other than carbon in their ring structure.
Benzofurans
Compounds that contain a BENZENE ring fused to a furan ring.
Year introduced: 1966
Heterocyclic Compounds, Fused-Ring
Multiple ring heterocyclic compounds containing two or more rings that share two atoms and one bond in common.
Year introduced: 2017