A new peptide ligand containing adenine 9-[N-(S-tritylmercaptoacetyl) diglycylaminoethyl] adenine (Tr-MAG2-Ade) is synthesized and characterized by IR, 1H NMR, 13C NMR, MS and elemental analysis.

• 为了制备肿瘤显像剂99Tcm标记肽,合成并表征了新的碱基修饰的小肽配体9-[N-(S-三苯甲基巯基乙酰)二甘氨酰氨基乙基]腺嘌呤(Tr-MAG2-Ade)。