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Priority to JP10487072ApriorityCriticalpatent/JPS5310156B2/ja
Publication of JPS4962694ApublicationCriticalpatent/JPS4962694A/ja
Publication of JPS5310156B2publicationCriticalpatent/JPS5310156B2/ja
Enzymatic hydrolysis of cephalosporins deriving from the chemical expanding of the penicillin g ring and enzymatic syntehsis of semisynthetic cephalosporins