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Application filed by Pfizer & Co CfiledCriticalPfizer & Co C
Publication of MY7200095ApublicationCriticalpatent/MY7200095A/xx
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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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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MY7200095A1968-09-031972-12-30Process for preparing esters of x-carboxy-arylmethyl-penicillins
MY7200095A
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