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Application filed by Merck Patent GmbhfiledCriticalMerck Patent Gmbh
Publication of BE860481ApublicationCriticalpatent/BE860481A/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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Cephalosporin Compounds
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BE182341A1976-11-061977-11-04Lactames, leur procede de preparation et agents contenant ces composes
BE860481A
(fr)