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Beecham Research Laboratories Ltd
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Beecham Research Laboratories Ltd
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Priority claimed from GB26489/61Aexternal-prioritypatent/GB940489A/en
Priority claimed from GB26488/61Aexternal-prioritypatent/GB940488A/en
Application filed by Beecham Research Laboratories LtdfiledCriticalBeecham Research Laboratories Ltd
Publication of ES279025A1publicationCriticalpatent/ES279025A1/es
C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
ES0279025A1961-07-211962-07-07Procedimiento de preparaciën de alfa-aminobencilpenicilina
ExpiredES279025A1
(es)