→
Ampicillin, Amoxicillin, Piperacillin, Ticarcillin
→
Cephalosporins
→
Daptomycin
→
Monobactams & Carbapenems
→
Nafcillin, Oxacillin, Methicillin & Dicloxacillin
→
Penicillin
→
Vancomycin