ProductsAntibioticsSteffimycin B Steffimycin B SKU: S102-1MG Unit: Each Brand: TOKU-E Steffimycin B Other products from «Antibiotics» Paraherquamide A # P069-5MG Oxytetracycline Hydrochloride # O004-10G Calcimycin # C160-5MG Wf 3681 # W003-0.5MG