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~(99m)Tc-L,L-乙基半胱氨酸二聚体(ECD)是一种中性脂溶性化合物,它和~(99m)Tc-d,1-HMPAO一样能够通过完整无损的血脑屏障(BBB)并较长时间地滞留在脑内,可望成为一种SPECT脑灌注显像剂。同时它制备较
~ (99m) Tc-L, L-ethylcysteine dimer (ECD) is a neutral lipophilic compound that can pass intact, as well as ~ (99m) Tc-d, 1-HMPAO Blood-brain barrier (BBB) and stay in the brain for a long time, is expected to become a SPECT brain perfusion imaging agent. At the same time it is prepared