Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kaliningr Technicky I RybnehofiledCriticalKaliningr Technicky I Rybneho
Priority to CS835394ApriorityCriticalpatent/CS248042B2/cs
Publication of CS539483A2publicationCriticalpatent/CS539483A2/cs
Publication of CS248042B2publicationCriticalpatent/CS248042B2/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.