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Application filed by Ludvik Novak, Jana MarcovafiledCriticalLudvik Novak
Priority to CS838375ApriorityCriticalpatent/CS180963B1/en
Publication of CS180963B1publicationCriticalpatent/CS180963B1/en
Process for preparing unsaturated anhydrous gamma crystalline natrium salt of 7-/d-alpha-formyloxy-alpha phenylacetamido/-3-/1-methyl-1h-tetrazol-5-ylthiomethyl-3-cephem-4-carboxylic acid
Method of producing crystalline waterless sodium salt of 7-(d-2-oxy-2-phenylacetaminido)-3-(1-methyl-1h-tetrazole-5-yl-thiomethyl)-3cephem-4-carboxylic acid