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Bayer AG
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Bayer AG
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Priority to FR988041ApriorityCriticalpatent/FR1430141A/en
Application grantedgrantedCritical
Publication of FR1430141ApublicationCriticalpatent/FR1430141A/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
(AREA)
Organic Chemistry
(AREA)
FR988041A1963-09-141964-09-14
Manufacturing process of 6-acylaminopenicillanic acids
ExpiredFR1430141A
(en)