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Priority to FR7401940ApriorityCriticalpatent/FR2258381A1/fr
Publication of FR2258381A1publicationCriticalpatent/FR2258381A1/fr
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Publication of FR2258381B3publicationCriticalpatent/FR2258381B3/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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Cephalosporin Compounds
(AREA)
FR7401940A1974-01-211974-01-21Penicillins and cephalosporins - with side-chains derived pyrazine-2-carboxylic acids having broad-spectrum antibacterial activity
GrantedFR2258381A1
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