… Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined. …
Explanatory notes
… 28.45 ‑ Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined. 2845.10 … 2845.40 ‑ Helium-3 2845.90 ‑ Other For the definition of the term “isotopes”, see Part (I) of Explanatory Note to …