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Priority claimed from GB868626698Aexternal-prioritypatent/GB8626698D0/en
Priority claimed from GB878709842Aexternal-prioritypatent/GB8709842D0/en
Application filed by Pfizer LtdfiledCriticalPfizer Ltd
Priority claimed from EP87309674Aexternal-prioritypatent/EP0266989B1/en
Application grantedgrantedCritical
Publication of ATE54316T1publicationCriticalpatent/ATE54316T1/en