| 摘要 |
The compounds of the formula <IMAGE> I wherein Ra,Rb,RcRd are defined in the specification and pharmaceutically acceptable addition salts are disclosed. The compounds of formula I have valuable pharmacological properties and can be used for the control of prevention of illnesses. In particular, they have muscle relevant, seditive-hypnotic, anxiolytic and/or anticonvulsive activity and can accordingly be used in the control or prevention of muscle tensions, stress conditions, isomnia, anxiety states and/or convulsions. |
