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Application filed by Alzbeta Ing Krempova, Welward Ladislav, Eva Ing Csc Michalkova, Marcel Ing Dudek, Martvon Augustin, Kosalko Rudolf, Jindrich Ing Csc Chromik, Frimm RichardfiledCriticalAlzbeta Ing Krempova
Priority to CS759983ApriorityCriticalpatent/CS251457B3/cs
Publication of CS759983A1publicationCriticalpatent/CS759983A1/cs
Publication of CS251457B3publicationCriticalpatent/CS251457B3/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.