Ψ
 Medical Concepts
  Chemicals and Drugs
 Polycyclic Compounds
 Bridged Compounds
 Bicyclo Compounds
 Bicyclo Compounds, Heterocyclic
 Azabicyclo Compounds
 beta-Lactams
 Cephalosporins
 Cephamycins
 Cefmetazole
 Cefotetan
 Cefoxitin

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