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Application filed by Sergej Yu Avakov, Yurij M VishnyakovfiledCriticalSergej Yu Avakov
Publication of CS538384A1publicationCriticalpatent/CS538384A1/cs
Publication of CS260019B1publicationCriticalpatent/CS260019B1/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.