. "Piperacillin/tazobactam" . . "piperacillin\u2013tazobactam" . "Piperacillin/tazobactam" . "9918881" . . "piperacillin-tazobactam" . . "436129" . "123683-33-0" . . . "Piperacillin and beta-lactamase inhibitor" . . . "piperacillin/tazobactam" . . . . . . "Tazocin, Zosyn, others" . . "a694003" . .