非诺班，Fenobam；≥98% (HPLC), solid

Fenobam is a potent, selective, noncompetitive glutamate mGluR5 receptor antagonist. Fenobam displays inverse agonist properties; blocks mGluR₅ constitutive activity in vitro (IC₅₀ = 87 nM, slightly weaker than MPEP). Fenobam acts at an allosteric modulatory site shared with MPEP and binds the mGlu₅ receptor with K_d values of 54 and 31 nM for rat and human receptors, respectively. Fenobam belongs to a structurally different class than MPEP; devoid of GABAergic activity and thus typical benzodiazepine-like side effects; displays anxiolytic activity.

 

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