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Publication of AT174153BpublicationCriticalpatent/AT174153B/de
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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AT174153D1950-07-131950-07-13Verfahren zur Herstellung von kristallisierten Penicillinsalzen hohen Reinheitsgrades
AT174153B
(de)