Novel benzamide compounds of Formula (I), Formula (II) and Formula (III, salts, water soluble salts, analogs and radiolabeled counterparts thereof as sigma-2 receptor radiotracers for imaging the proliferative status of solid tumors. A method for diagnosing a mammal for the presence of a mammalian tumor therein comprises administering to the mammal a diagnostic imaging detectable effective amount of a benzamide compound having a structure illustrated in Formula (I), Formula (II) and Formula (III) and detecting binding of the compound to a tumor in the mammal. A method for diagnostic imaging of a mammalian tissue having cell surface sigma-2 receptors comprising administering to a mammal a diagnostic imaging amount of a compound having a structure illustrated in Formula (I) Formula (II) and Formula (III) and detecting an image of a tissue having an ample cells with sigma-2 receptors.
公式(I)、公式(II)和公式(III)的新型苯甲酰胺化合物及其盐、
水溶性盐、类似物和放射性标记物作为sigma-2受体放射性示踪剂,用于成像实体肿瘤的增殖状态。一种诊断哺乳动物体内是否存在哺乳动物肿瘤的方法包括向哺乳动物注射具有公式(I)、公式(II)和公式(III)结构的苯甲酰胺化合物的诊断成像可检测有效量,并检测化合物与哺乳动物体内肿瘤的结合。一种诊断成像哺乳动物组织表面具有sigma-2受体的细胞的方法包括向哺乳动物注射具有公式(I)、公式(II)和公式(III)结构的化合物的诊断成像量,并检测具有丰富的sigma-2受体细胞的组织的图像。