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ER Squibb and Sons LLC
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ER Squibb and Sons LLC
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Application filed by ER Squibb and Sons LLCfiledCriticalER Squibb and Sons LLC
Publication of FR2115450A1publicationCriticalpatent/FR2115450A1/fr
Application grantedgrantedCritical
Publication of FR2115450B1publicationCriticalpatent/FR2115450B1/fr
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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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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