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Application filed by Stefan Ing Kumor, Andrej Vittek, Jan Ing Csc Bosansky, Ladislav Ing Cesak, Otto WelflfiledCriticalStefan Ing Kumor
Priority to CS837852ApriorityCriticalpatent/CS233247B1/cs
Publication of CS785283A1publicationCriticalpatent/CS785283A1/cs
Publication of CS233247B1publicationCriticalpatent/CS233247B1/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.