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haplamine [Supplementary Concept]
isolated from Haplophyllum acutifolium; structure in first source
Date introduced: January 7, 2007
Quinolones
A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.
Year introduced: 1994
Quinolines
Pyrans
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, 1-Ring
Organic compounds that contain a ring structure made up of carbon and one or more additional elements such as nitrogen and oxygen.
Heterocyclic Compounds
Cyclic compounds that include atoms other than carbon in their ring structure.
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