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AS19是一种高效、高选择性的5-HT7受体激动剂，其对5-HT7受体的IC50值为0.83nM，Ki值为0.6nM，并表现出相较于5-HT1A、5-HT1B、5-HT1D和5-HT5A受体的高选择性。该化合物具有增强记忆和逆转东莨菪碱或地佐环平所致健忘症的作用。

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-25~-15℃避光保存，有效期3年。

[1] León-Ponte, M., Ahern, G. P., & O'Connell, P. J. (2007). Serotonin provides an accessory signal to enhance T-cell activation by signaling through the 5-HT7 receptor. Blood, 109(8), 3139-3146.[2]Perez-Garcia, G. S., et al. (2005). Effects of the potential 5-HT7 receptor agonist AS 19 in an autoshaping learning task. Behavioural Brain Research, 163(1), 136-140.