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Priority claimed from FR8607957Aexternal-prioritypatent/FR2599362B1/fr
Priority claimed from FR8706106Aexternal-prioritypatent/FR2614616B2/fr
Application filed by Hoechst FrancefiledCriticalHoechst France
Priority claimed from EP89122806Aexternal-prioritypatent/EP0368363B1/de
Application grantedgrantedCritical
Publication of ATE82247T1publicationCriticalpatent/ATE82247T1/de