<unk>  is an acylampicillin antibiotic with an extended spectrum of activity and greater in vitro potency than the carboxy penicillins.<unk>  is similar to mezlocillin and piperacillin. It demonstrates antibacterial activity against a broad spectrum of bacteria, including Pseudomonas aeruginosa and, in contrast to most cephalosporins, exhibits activity against enterococci.
Azlocillin
Meropenem
Clindamycin hydrochloride 
Vancomycin 
Aztreonam 
Midecamycin
Plicamycin
Mezlocillin