SEARCH Articles Figures Tables Antibacterial drugs that inhibit cell wall synthesis penicillins, cephalosporins and vancomycin Lactams Penicillins and Cephalosporins Lactams, Penicillins, Cephalosporins, and Related Compounds Partial Synthesis of Cephalosporins and Penicillins Penicillins, Cephalosporins, and Related Compounds Rearrangements of Penicillins and Cephalosporins The biosynthesis of penicillins and cephalosporins Total Synthesis of Penicillins and Cephalosporins