| 
 5-HT 1B/D Receptor 20 nM (Ki)  | 
 5-HT 2A Receptor 339 nM (Ki)  | 
 5-HT 1A Receptor 3070 nM (Ki)  | 
AR-A 2 (AR-A000002) is a selective 5-HT 1B receptor antagonist, with high affinity to guinea pig cortex 5HT 1B/1D and recombinant guinea pig 5-HT 1B receptors (K i =0.24 and 0.47 nM) and with 10-fold lower affinity to guinea pig 5-HT 1D receptors (K i , 5 nM), and shows an EC 50 of 4.5 nM for the guinea pig 5-HT 1B receptor. AR-A 2 also binds to the rat cortical 5HT 1B/1D receptor (K i , 20 nM), rat cortex 5-HT 2A receptor (K i , 339 nM), rat hippocampus 5-HT 1A receptor (K i , 3070 nM). In addition, AR-A 2 also exhibits affinity for dopamine D2 (K i , 330 nM) and α1-adrenoceptors (K i , 490 nM).
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 | 
|---|---|---|---|---|
| —— | (R)-2-Amino-5-methyl-8-(4-methylpiperazin-1-yl)-1,2,3,4-tetrahydro-naphthalene | 220051-78-5 | C16H25N3 | 259.395 |