Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined
Boron enriched in boron10 and its compounds
Heavy water "deuterium oxide" [euratom]
Helium3
Lithium enriched in lithium6 and its compounds
Nonradioactive isotopes; inorganic or organic compounds of such isotopes, whether or not chemically defined (excl. heavy water "deuterium oxide", boron enriched in boron10 and lithium enriched in lithium6 and their compounds, and helium3)