Hepatobiliary MR contrast agents: 5-substituted iron-EHPG derivatives.


A series of iron(III) ethylenebis(2-hydroxyphenyl)glycine [Fe(EHPG)]- derivatives have been examined for their role as paramagnetic hepatobiliary contrast agents for magnetic resonance (MR) imaging. The 5-substituted complexes, Fe(5-Me-EHPG)-, Fe(5-Cl-EHPG)-, and Fe(5-Br-EHPG)-, have been compared to the parent compound in rat biodistribution and MR imaging… (More)


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