Preferred Label : cephams;
IUPAC definition : Natural and synthetic antibiotics containing the 5-thia-1-azabicyclo[4.2.0]octan-8-one
nucleus; generally assumed to have the 6 i R /i 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.;
Origin ID : C00940;
See also
Natural and synthetic antibiotics containing the 5-thia-1-azabicyclo[4.2.0]octan-8-one
nucleus; generally assumed to have the 6 i R /i 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.
