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Lysine is a precursor for the synthesis of an aminobutyl C-functionalised tetra-azacyclododecane tetra-acid which has been linked to 872.3 antibody and may be labelled with 9OY to form a kinetically stable complex of potential use in radio i m mu not h e ra py .

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No abstract

C-Functionalised triazacyclododecane and triazacyclononane triacid macrocycles have been covalently attached to a monoclonal antibody and may be labelled with l l l l n to form kinetically inert radiolabelled complexes.