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Priority claimed from GB898902323Aexternal-prioritypatent/GB8902323D0/en
Priority claimed from GB898923366Aexternal-prioritypatent/GB8923366D0/en
Application filed by Zeneca LtdfiledCriticalZeneca Ltd
Priority claimed from EP90300457Aexternal-prioritypatent/EP0381330B1/de
Application grantedgrantedCritical
Publication of ATE99287T1publicationCriticalpatent/ATE99287T1/de