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Bayer AG
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Bayer AG
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Priority to FR885006ApriorityCriticalpatent/FR1310437A/en
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Publication of FR1310437ApublicationCriticalpatent/FR1310437A/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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Organic Chemistry
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FR885006A1962-01-161962-01-16
Process for preparing salts of 6-aminopenicillanic acid
ExpiredFR1310437A
(en)