Name of Drugs/adjuvant  MIC (µg/ml) MBEC (µg/ml)
CSE1034 32-64 256-512
Ceftriaxone >512 >4096
Cefoperazone+sulbactam 256-512 2048-4096
Meropenem 32-128 256-2048
Piperacillin plus tazobactam 128-1024 2048-4096
Amoxycillin plus clavulanic acid >512 >4096
Table 1: MICs and MBECs of antibacterial agents for E. coli clinical isolates.