Radiolabeled 2H-imidazol-2-one angiotensin II AT(1) receptor antagonis
ts [H-3]-SC-54628 and [H-3]-SC-54629 have been synthesized from CBZ-gy
lcine. These radioligands have nominally four tritium atoms incorporat
ed into the butyl group at the 4-position of the 2H-imidazol-2-ones.