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Priority to RO117484ApriorityCriticalpatent/RO90497B1/ro
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Publication of RO90497B1publicationCriticalpatent/RO90497B1/ro
Cis-enantiomeros de acidos 1-carboxi-1(-destia)-3-cefem-3-hidroxi-4-carboxilicos utiles en la sintesis quiral de antibioticos cefem procedimiento para prepararlos e intermediarios de aplicacion