Cephalosporins Images
Go to article Cephalosporins
Structural formula of 7-aminocephalosproranic acid

Structural formula of cephalexin

Structural formula of cefuroxime

The basic structure of cephalosporins which, like penicillins, contain a beta-lactam ring. Semisynthetic preparations are obtained from the natural active ingredients by modifying the side chains (R1+R2).