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In earlier editions of the IUPAC Nomenclature of Organic Chemistry, two methods were described for the naming of spiro parent hydrides (see Rule A-41 and Rule A-42, and Rule B-10 and Rule B-11, in the 1979 edition). In these recommendations, only the first of these methods has been retained.

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This HTML reproduction is as close as possible to the published version [see IUPAC, Commission on Nomenclature of Organic Chemistry. A Guide to IUPAC Nomenclature of Organic Compounds (Recommendations 1993), 1993, Blackwell Scientific publications, Copyright 1993 IUPAC]. If you need to cite these rules please quote this reference as their source.

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