Known as: piperacillin / tazobactam 3.375 GM Injection, PIPERACILLIN 3 g in 15 mL / TAZOBACTAM 0.375 g in 15 mL INTRAVENOUS INJECTION, POWDER, FOR SOLUTION [Piperacillin and Tazobactam], Piperacillin Sodium 3 g in 15 mL / Tazobactam Sodium 0.375 g in 15 mL INTRAVENOUS INJECTION, POWDER, LYOPHILIZED, FOR SOLUTION [Piperacillin, Tazobactam]