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Application filed by Kacin Jan, Fiala MilosfiledCriticalKacin Jan
Priority to CS833646ApriorityCriticalpatent/CS232168B1/cs
Publication of CS364683A1publicationCriticalpatent/CS364683A1/cs
Publication of CS232168B1publicationCriticalpatent/CS232168B1/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.