2-pyridylmethylenepolyazamacrocyclophosphonic acids, complexes a

Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Magnetic imaging agent

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436173, 534 15, 534 16, 540465, 540474, 514 79, 514183, 514340, 1286534, A61K 4900, A61B 5055, C07D40106

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active

054627257

ABSTRACT:
2-Pyridylmethylenepolyazamacrocyclophosphonic acid compounds and their derivatives are disclosed which may form inert complexes with Gd, Mn or Fe ions. The overall charge of the complex can be varied to alter the in vivo biolocalization. The complexes are useful as contrast agents for diagnostic purposes.

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