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Priority to FR7231066ApriorityCriticalpatent/FR2197571A1/fr
Publication of FR2197571A1publicationCriticalpatent/FR2197571A1/fr
Application grantedgrantedCritical
Publication of FR2197571B1publicationCriticalpatent/FR2197571B1/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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Chemical & Material Sciences
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Organic Chemistry
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
FR7231066A1972-09-011972-09-01Bacterial penicillanic acid amides - prepd. from the acid and a para amino benzoic acid deriv resistant to penicillinase
GrantedFR2197571A1
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