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| Bicyclo Compounds, Heterocyclic Heterocyclic Cpds, Bicyclic | Bicyclic Heterocyclic Compounds | Heterocyclic Bicyclo Compounds | Bicyclic Heterocyclic Cpds | Compounds, Bicyclic Heterocyclic | Compounds, Heterocyclic Bicyclo | Cpds, Bicyclic Heterocyclic A class of saturated compounds consisting of two rings only, having two or more atoms in common, containing at least one hetero atom, and that take the name of an open chain hydrocarbon containing the same total number of atoms. (From Riguady et al., Nomenclature of Organic Chemistry, 1979, p31) |