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Application filed by Simon Arpad, Bachorik LudovitfiledCriticalSimon Arpad
Priority to CS834242ApriorityCriticalpatent/CS232179B1/cs
Publication of CS424283A1publicationCriticalpatent/CS424283A1/cs
Publication of CS232179B1publicationCriticalpatent/CS232179B1/cs
Procedimiento para preparar derivados del acido 7beta-(carboxialquenoilamino)-(1-o,1-5 o 1-50)-3 cefem-4- carboxilico, y los intermediarios de aplicacion exclusiva en dicho procedimiento.