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Application filed by Karel Ing JuracekfiledCriticalKarel Ing Juracek
Priority to CS838078ApriorityCriticalpatent/CS253208B1/cs
Publication of CS807883A1publicationCriticalpatent/CS807883A1/cs
Publication of CS253208B1publicationCriticalpatent/CS253208B1/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.