CARDIOTROPIC RADIOPHARMACEUTICALS COMPRISING A TRANSITION METAL NITRIDE COMPLEX AND HAVING RAPID MYOCARDIAL CLEARANCE

摘要

Cardiotropic radiopharmaceuticals comprising a transition metal nitride complex and having rapid myocardial clearance are disclosed. The complexes have formula (I): (M N)L1 L2, wherein M is a transition metal such as: 99mTc, and L?1 and L2¿ have formula (II), wherein at least one of R and R' is a branched alkyl group comprising one or more ether functions, a tetrahydrofurfuryl or ether group or a tetrahydrofurfuryl or dioxaspiro or dialkoxy piperidino type group.