Isotopomer definitions

isotopomer

Isomers having the same number of each isotopic atom but differing in their positions. The term is a contraction of 'isotopic isomer'. Isotopomers can be either constitutional isomers (e.g. CH₂DCH=O and CH₃CD=O) or isotopic stereoisomers (e.g. (R)- and (S)-CH₃CHDOH or (Z)- and (E)-CH₃CH=CHD). IUPAC STEREO...
Found on http://www.chem.qmul.ac.uk/iupac/gtpoc/I.html

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isotopomer

having the same topography
Found on http://www.chemistry-dictionary.com/definition/isotopomer.php

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