| abstract |
The present invention relates to novel compounds of the formula I (see formula I) (preferred values are as follows: fused heterocyclic ring A is (see formula II) or (see formula III) is phenyl substituted at the 2 position with fluoro, bromo, chloro, methyl or trifluoro-methyl, R2 is phenyl substituted at the 2 position with fluoro, chloro, hydroxy or cyano, and the dashed line is a double bond), and their pharmaceutically acceptable salts, and pharmaceutical compositions and methods of treating neurode-generative and CNS-trauma related conditions. |