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Application filed by Pudil Frantisek, Jiri KovarfiledCriticalPudil Frantisek
Priority to CS837163ApriorityCriticalpatent/CS235890B1/cs
Publication of CS716383A1publicationCriticalpatent/CS716383A1/cs
Publication of CS235890B1publicationCriticalpatent/CS235890B1/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.