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Publication of BE615855ApublicationCriticalpatent/BE615855A/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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Chemical & Material Sciences
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Organic Chemistry
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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BE615855A1961-03-311962-03-30
Antibiotic substances and their preparation
BE615855A
(en)