Imipenem and Cilastatin Spencer Antibiotic-carbapenem + dehydropeptidase inhibitor Powder for solution for infusion, 500 mg + 500 mg. Meropenem Spencer antibiotic - carbapenem Powder for the preparation of a solution for intravenous administration of 500 mg and 1000 mg. Cefoperazone and Sulbactam Spencer Antibiotic - cephalosporin + beta-lactamase inhibitor Powder for the preparation of a solution for intravenous and intramuscular injection of 2 g (1.0 g of cefoperazone + 1.0 g of sulbactam).