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process for the production of new 4 - (1 - alkyl - 4 - piperidyliden) - 4h - benzo (4,5) cyclohepta (1,2 - (b) - 10 (- 9) thiophen on compounds and their saureadditionssalze
process for the production of new 4 - (1 - alkyl - 4 - piperidyliden) - 4h - benzo (4,5) cyclohepta (1,2 - (b) - 10 (- 9) thiophen on compounds and their saureadditionssalze