CH563394A5CH1663873ACH1663873ACH563394A5CH 563394 A5CH563394 A5CH 563394A5CH 1663873 ACH1663873 ACH 1663873ACH 1663873 ACH1663873 ACH 1663873ACH 563394 A5CH563394 A5CH 563394A5
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CH
Switzerland
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CH1663873A
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Squibb & Sons Inc
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Publication of CH563394A5publicationCriticalpatent/CH563394A5/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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Chemical & Material Sciences
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Organic Chemistry
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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