- Imipenem (IPM), meropenem (MEM), ertapenem (ETP), piperacillin-tazobactam (TZP), cefepime (CFP), amikacin (AN), ciprofloxacin (CIP), gentamicin (GEN), ceftazidime (CAZ), cefexime (CTX), azteronam (AZT).ÙŽ A, Ahvaz; I, Isfahan; T, Tehran; OP, Outpatient; ICU