TETRAHYDROXAMATE CHELATORS OF ZIRCONIUM89 AND NIOBIUM90 FOR USE IN DIAGNOSTIC APPLICATIONS

摘要

Disclosed is a compound of formula (I) or (II) in which R1-R4, R1′-R5′, Z1+-Z4, and Z1′-Z4′ are as described herein. Also disclosed are a 89Zr- or 90Nb-containing complex of a compound of formula (I) or (II) and a method for obtaining a diagnostic image, such as a positron emission tomography (PET) image.