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Priority claimed from US05/771,859external-prioritypatent/US4103085A/en
Priority claimed from US05/777,986external-prioritypatent/US4112228A/en
Priority claimed from US05/788,056external-prioritypatent/US4104469A/en
Priority claimed from DK312677Aexternal-prioritypatent/DK143344C/da
Application filed by Bristol Myers CofiledCriticalBristol Myers Co
Publication of DK68180ApublicationCriticalpatent/DK68180A/da
Publication of DK145302BpublicationCriticalpatent/DK145302B/da
Application grantedgrantedCritical
Publication of DK145302CpublicationCriticalpatent/DK145302C/da
7-(D-α-Hydroxy-2-arylacetamido)-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo-[4,3-b]pyridazin-3-on-6-ylthiomethyl)-3-cephem-4-carboxylic acids and derivatives
Syn-isomere 7-(4-halogen-2-hydroxy-imino-3-oxobutyrylamino)-3-(substitueret methyl)-3-cephem-4-carboxylsyrederivater til anvendelse som mellemprodukter samt salte og estere deraf