| abstract |
The invention relates to a cationic complex of technetium-99m with(a) at least one bidendate ligand X having the formulawhere each Z is phosphorus or arsenic, Q is a (CH<sub>2</sub>)<sub>n</sub> linking group where n is 2 to 8 or a 1,2-phenylene linking group, each of R<sub>1</sub>, R<sub>2,</sub> R<sub>3</sub> and R<sub>4</sub> is hydrogen, C, to C<sub>5</sub> alkyl or phenyl; and(b) at least one monodentate isonitrile ligand Y.The invention also relates to a radiopharmaceutical composition comprising said complex, to a kit for preparing said composition, and to the use of said composition for a radiodiagnostic examination. |