Certain radioiodine containing amides useful as brain imaging agents are disclosed. The compounds of the subject invention are represented by the formula ##STR1## wherein I is a radioisotope of iodine with I-123 being preferred, R.sub.1 and R.sub.2 are the same or different and are selected from the grooup consisting of hydrogen, hydroxy, alkyl, aryl, substituted aryl, aralkyl, anilino and carbamoylmethyl or R.sub.1 and R.sub.2 taken together with the nitrogen to which they are attached form a 5- or 6-membered ring.
本发明揭示了作为脑成像剂有用的含有放射
碘的酰胺。所述发明的化合物由下式表示:其中I是
碘的放射同位素,其中I-123是首选,R1和R2相同或不同,并且选自氢、羟基、烷基、芳基、取代芳基、芳基烷基、
苯胺基和
氨基甲酰甲基的群,或者R1和R2连同它们附着的氮原子形成5-或6-成员环。