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APOTHEKERNES LAB
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APOTHEKERNES LAB
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Priority to FR723547ApriorityCriticalpatent/FR1232306A/fr
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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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FR723547A1956-10-111956-10-11Procédé de préparation de sels de pénicilline de la dibenzyléthylène-diamine
ExpiredFR1232306A
(fr)