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Application filed by Ranbaxy Lab LtdfiledCriticalRanbaxy Lab Ltd
Priority to IN474DE1994priorityCriticalpatent/IN181697B/en
Priority to US08/453,911prioritypatent/US5536830A/en
Priority to KR1019960012592Aprioritypatent/KR960041183A/ko
Publication of IN181697BpublicationCriticalpatent/IN181697B/en
C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring