• J01DB First-generation cephalosporins 9 drugs
• J01DC Second-generation cephalosporins 19 drugs
• J01DD Third-generation cephalosporins 72 drugs
• J01DE Fourth-generation cephalosporins 4 drugs
• J01DF Monobactams 2 drugs
• J01DH Carbapenems 17 drugs
• J01DI Other cephalosporins and penems 4 drugs