Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Sankyo Co Ltd
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Sankyo Co Ltd
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Publication date
Application filed by Sankyo Co LtdfiledCriticalSankyo Co Ltd
Priority to ES462656ApriorityCriticalpatent/ES462656A1/es
Publication of ES462656A1publicationCriticalpatent/ES462656A1/es
Un procedimiento para la preparación de derivados de cefalosporina, caracterizado por preparar un derivado de cefalosporina de fórmula (I): ***(ver fórmula 1)
ES462656A1977-09-261977-09-26Un procedimiento para la preparacion de derivados de cefa- losporina.
ExpiredES462656A1
(es)