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Priority claimed from GB878718086Aexternal-prioritypatent/GB8718086D0/en
Priority claimed from GB878723150Aexternal-prioritypatent/GB8723150D0/en
Application filed by Zeneca LtdfiledCriticalZeneca Ltd
Priority claimed from EP88306644Aexternal-prioritypatent/EP0301752B1/en
Application grantedgrantedCritical
Publication of ATE99233T1publicationCriticalpatent/ATE99233T1/en