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5-iodonicotinic acid [Supplementary Concept]
Date introduced: July 11, 1991
Pyridines
Compounds with a six membered aromatic ring containing NITROGEN. The saturated version is PIPERIDINES.
Nicotinic Acids
2-, 3-, or 4-Pyridinecarboxylic acids. Pyridine derivatives substituted with a carboxy group at the 2-, 3-, or 4-position. The 3-carboxy derivative (NIACIN) is active as a vitamin.
Year introduced: 1975
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.
Year introduced: 1998
Heterocyclic Compounds
Cyclic compounds that include atoms other than carbon in their ring structure.
Acids, Heterocyclic
A class of acids containing a ring structure in which at least one atom other than CARBON is incorporated.