Canadian Medical Guide > Chemicals and Drugs > Heterocyclic Compounds > Heterocyclic Compounds with 4 or More Rings Terms and Definitions
Heterocyclic Compounds with 4 or More Rings
Medical Definition: | A class of organic compounds containing four or more ring structures, one of which is made up of more than one kind of atom, usually carbon plus another atom. The heterocycle may be either aromatic or nonaromatic. |
Guide Notes: | GEN; prefer specifics; used for mapping supplementary chemicals |
Rifamycins - A group of ANTI-BACTERIAL AGENTS characterized by a chromophoric naphthohydroquinone group spanned by an aliphatic bridge not previously found in other known ANTI-BACTERIAL AGENTS. They have been isolated from fermentation broths of Streptomyces mediterranei. |
Heterocyclic Compounds with 4 or More Rings Medical Definitions and Terms
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