During a directed search for new psychotropic agents among tri-and tetracyclic compounds which has been carried out in the All-Union Scientific-Research Institute for Pharmaceutical Chemistry, a series of representatives of new heterocyclic systems which include an indole fragment in their structure have been synthesized. The original antidepressant inkasan was found as a result of the pharmacological investigation (Academicians, II. D. Mashkovskii, ...
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