benzene nucleus

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Noun1.benzene nucleus - a closed chain of 6 carbon atoms with hydrogen atoms attached
benzene, benzine, benzol - a colorless liquid hydrocarbon; highly inflammable; carcinogenic; the simplest of the aromatic compounds
References in periodicals archive ?
IRS confirm the presence of benzene nucleus at 1600 and 1500-1515 [cm.
Phenols as a class are defined as aromatic compounds with an hydroxyl (OH) group attached directly to a benzene nucleus.