ProductsAntibioticsRk-682 Rk-682 SKU: R033-2.5MG Unit: Each Brand: TOKU-E Rk-682 Other products from «Antibiotics» Ampicillin Sodium # A042-25G Oligomycin B # O018-5MG Kanamycin Acid Sulfate For Bioprocessing # K012-25G Enniatin # E039-50MG