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Glaxo Laboratories Ltd
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Glaxo Laboratories Ltd
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Publication of FR941394ApublicationCriticalpatent/FR941394A/en
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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FR941394D1946-02-111947-02-04
Advanced process for purifying penicillin salts
ExpiredFR941394A
(en)