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Priority claimed from JP61143714Aexternal-prioritypatent/JPS63346A/ja
Priority claimed from JP25541986Aexternal-prioritypatent/JPS63110254A/ja
Application filed by Phosphorus Chem IndfiledCriticalPhosphorus Chem Ind
Priority claimed from EP87106246Aexternal-prioritypatent/EP0249723B1/de
Application grantedgrantedCritical
Publication of ATE77804T1publicationCriticalpatent/ATE77804T1/de
Substituted benzylidenepyrrolo-(2,1-b)quinazolinones and pyrido-(2,1-b)quinazolinones,their preparation and pharmaceutical compositions containing them