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Application filed by Bohumil Boem, Wiesner IvofiledCriticalBohumil Boem
Priority to CS839395ApriorityCriticalpatent/CS238779B1/cs
Publication of CS939583A1publicationCriticalpatent/CS939583A1/cs
Publication of CS238779B1publicationCriticalpatent/CS238779B1/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.