specifically labelled

https://doi.org/10.1351/goldbook.S05793
An @I03336@ compound is designated as specifically labelled when a unique @I03338@ compound is formally added to the analogous @I03339@ compound. In such a case, both position(s) and number of each @L03425@ @N04257@ are defined.
Sources:
Blue Book, p. 514 [Terms] [Book]
PAC, 1981, 53, 1887. (Nomenclature of inorganic chemistry: II.1 - Isotopically modified compounds) on page 1891 [Terms] [Paper]
Citation: 'specifically labelled' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.S05793 RIS BibTex EndNote
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Last revised: February 24, 2014