Groups of B-lactam Antibiotics that share identical R1-Group side chains

Amoxicillin

Ampicillin

Ceftriaxone

Cefoxitin

Ceftazidime

Cefamandole

Cefadroxil

Cefaclor

Cefotaxime

Cephalothin

Aztreonam

Cefonicid

Cefprozil

Cephalexin

Cefpodoxime

Cephaloridine

Ceftazidime

Cephradine

Ceftizoxime

Groups of B-lactam Antibiotics that share identical R2-Group side chains

Cepphalexin

Cefotaxime

Cefuroxime

Cefotetan

Cefaclor

Ceftibuten

Cefadroxil

Cephalothin

Cefoxitin

Cefmetazole

Loracarbef

Ceftizoxime

Cephradine

Cephaprin

Cefpiramide