Alkyl phosphonate polyazamacrocyclic cheates for MRI

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

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540465, 540474, 514 79, 514836, 436173, 1286534, 534 15, A61B 5055, A61B 31675, C07D22500, C07D25502

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053624769

ABSTRACT:
The present invention relates to a new polyazamacrocyclic compound or a salt thereof and its uses as a tissue specific chelator. The compound has the formula ##STR1## where x is 2, 3 or a combination of p 2(s) and q 3(s) where p+q=y;

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