| abstract |
The present invention provides compounds of general formula I: wherein A 1 , A 2 , A 3 , R 1 , X, Y, and B have any of the values described herein, as well as salts of such compounds, compositions comprising such compounds, and administrations comprising such compounds treatment method. The compound is an inhibitor of the enzymatic function of monoamine oxidase B (MAO-B) and is useful for improving cognitive function and treating psychiatric disorders in animals. |