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Application filed by Miroslav Ing FranekfiledCriticalMiroslav Ing Franek
Priority to CS832153ApriorityCriticalpatent/CS239621B1/cs
Publication of CS215383A1publicationCriticalpatent/CS215383A1/cs
Publication of CS239621B1publicationCriticalpatent/CS239621B1/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.