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Priority claimed from PL132496Aexternal-prioritypatent/PL64393B1/pl
Application filed by Tarchominskie Zaklad FarmafiledCriticalTarchominskie Zaklad Farma
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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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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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Preparation Of Compounds By Using Micro-Organisms
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DK142970A1969-03-211970-03-20Fremgangsmade til fremstilling af halvsyntetiske penicilliner
DK132083C
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