https://doi.org/10.1351/goldbook.C00940
Natural and synthetic antibiotics containing the 5-thia-1-azabicyclo[4.2.0]octan-8-one @N04256@; generally assumed to have the 6R configuration, unless otherwise specified. The numbering used differs from that of the von Baeyer named bicyclic system. Where they differ, the von Baeyer numbering is shown in parentheses.
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