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Application filed by Stepita Matej, Michalek Jaroslav, Bartonik PetrfiledCriticalStepita Matej
Priority to CS836826ApriorityCriticalpatent/CS241437B1/cs
Publication of CS682683A1publicationCriticalpatent/CS682683A1/cs
Publication of CS241437B1publicationCriticalpatent/CS241437B1/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.