The invention is directed to labeled drug hapten analogues comprising: (A) a label, of the type used in immunoassays, having an amine or sulfhydryl group; (B) a drug hapten nucleus selected from barbiturates or hydantoins and (C) a linking chain linking the 3-position of the drug hapten nucleus to the label through a carbonyl bridge.
该发明涉及带标记的药物半抗原类似物,包括:(A)一种标记,用于免疫测定,具有胺基或巯基;(B)从
巴比妥类或
咪唑类中选择的药物半抗原核;以及(C)通过羰基桥将药物半抗原核的3位与标记连接的连接链。