A compound that is effective as a diagnostic imaging probe that targets amyloid including is represented by the following formula (1), or salt thereof:
wherein R1 is a radioactive halogen substituent, A1 and A2 independently represent CH or N. A diagnostic agent for Alzheimer's disease includes the compound represented by the above formula or a salt thereof. The above compound and the above diagnostic agent for Alzheimer's disease transfer into brain after administration, and indicate good accumulation on amyloid deposited in the brain.
一种能够定位淀粉样蛋白的诊断成像探针的有效化合物,其
化学式(1)或其盐如下:其中,R1代表放射性卤素取代基,A1和A2分别代表CH或N。一种用于阿尔茨海默病的诊断试剂包括上述化合物或其盐。上述化合物和上述用于阿尔茨海默病的诊断试剂在给药后进入大脑,并在大脑中沉积的淀粉样蛋白上表现出良好的积累。