| abstract |
7 Compounds of the following Formula I are novel inhibitors and some at least of said compounds selectively inhibit MAO-B:n nwherein:-n R 1 and R 2 independently represent hydrogen, chlorine or fluorine: R 3 represents hydrogen or (C,-C 4 ) alkyl; and X represents oxygen or sulfur. They are useful for the treatment of depression and, co-administered with L-dopa, in the treatment of Parkinsonism. |