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Priority claimed from GB868629663Aexternal-prioritypatent/GB8629663D0/en
Priority claimed from GB878715722Aexternal-prioritypatent/GB8715722D0/en
Application filed by Pfizer LtdfiledCriticalPfizer Ltd
Priority claimed from EP87310784Aexternal-prioritypatent/EP0274234B1/de
Application grantedgrantedCritical
Publication of ATE67178T1publicationCriticalpatent/ATE67178T1/de