isotopically substituted

https://doi.org/10.1351/goldbook.I03338
Describes a compound that has a composition such that essentially all the molecules of the compound have only the indicated @N04257@ at each designated position. For all other positions, the absence of @N04257@ indication means that the @N04257@ composition is the natural one.
Sources:
Blue Book, p. 514 [Terms] [Book]
PAC, 1981, 53, 1887. (Nomenclature of inorganic chemistry: II.1 - Isotopically modified compounds) on page 1890 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014