Carboxamides useful as 5-HT1F (serotonin receptor) agonists for treating migraine

摘要

A carboxamide derivative of the formula shown is useful in the treatment of 5-HT1F receptor agonist related diseases. Wherein; R1 and R2 are independently hydrogen, C1-4alkyl, or -CH2CH2-Aryl where Aryl is phenyl, phenyl monosubstituted with halo, or 1-(C1-6alkyl)pyrazol-4-yl; R3 is C3-6cycloalkyl or a heterocycle; and n is 1 or 2.