Inhibitors of cell Wall Synthesis Semisynthetic Penicillins Penicilinase-resistant Carbapenems: broad spectrum o Monobactam Gram R-C-NH-CH--CH CH o=c—N C--CHo-0-C CH3 COOH Cephalosporins Cephalosporin nucleus 2nd, 3rd, and 4th generations more effective CH3 against G R-c—NH-cH-cHc CH3 o=c—N—cH-cooH• Cephalosporins • 2nd, 3rd, and 4th generations more effective against G￾Inhibitors of Cell Wall Synthesis Semisynthetic Penicillins Penicilinase-resistant Carbapenems: broad spectrum Monobactam: Gram-