Background:

NPS ALX Compound 4a is a potent and selective 5-hydroxytryptamine6 (5-HT6) receptor antagonist with an IC50 of 7.2 nM, which also has a great binding affinity with Ki of 0.2 nM[1].

参考文献:
[1]. Isaac M, et al. 6-Bicyclopiperazinyl-1-arylsulfonylindoles and 6-bicyclopiperidinyl-1-arylsulfonylindolesderivatives as novel, potent, and selective 5-HT6 receptor antagonists. Bioorg Med Chem Lett. 2000 Aug 7;10(15):1719-21.