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Application filed by Janneing Charvat, Jiri Hoskovec, Vladimir ValdmanfiledCriticalJanneing Charvat
Priority to CS836539ApriorityCriticalpatent/CS233277B1/cs
Publication of CS653983A1publicationCriticalpatent/CS653983A1/cs
Publication of CS233277B1publicationCriticalpatent/CS233277B1/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.