| abstract |
Compounds of the general formula I wherein X represents a CH₂-R² group with R² meaning a nucleophilic group and R1 is hydrogen, lower alkyl or X as defined above, and R³ is hydrogen or bromine and R⁶ is lower alkyl and C₉ --- C₁₀ is a CC single or CC double bond, and their acid addition salts, their preparation and their use as medicaments. |