Cationic complexes of technetium-99M
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United States of America Patent
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May 17, 1994
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May 4, 1992
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Feb 3, 1989
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Abstract
Tridentate mono-anionic ligands have the structure X-A-Y-Q-Z where each of X and Y is independently P, As or N, Z is phenol, thiophenol or thiol, and A and Q are hydrocarbon linking groups. The ligands from cationic complexes with Technetium-99m, e.g. [Tc.sup.III K.sub.2 ].sup.+ where K is the ligand, having useful imaging properties.
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