Comparative in vivo kinetics of some new 99mTc-labelled acetanilido iminodiacetates

The in vivo kinetics of five new 99mTc-labelled acetanilido iminodiacetates, analogous to 99mTc-p-butyl IDA, were studied in experimental animals by means of their distribution in mice and scintigrams of rabbits. The new compounds were specifically eliminated via the hepatobiliary system with various rates of hepatic extraction. Urinary excretion of the complexes was minimal.