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Application filed by Vladislav Ing SramekfiledCriticalVladislav Ing Sramek
Priority to CS838720ApriorityCriticalpatent/CS238893B1/cs
Publication of CS872083A1publicationCriticalpatent/CS872083A1/cs
Publication of CS238893B1publicationCriticalpatent/CS238893B1/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.