ProductsAntibioticsSteffimycin B Steffimycin B SKU: S102-5MG Unit: Each Brand: TOKU-E Steffimycin B Other products from «Antibiotics» Cefadroxil # C119-1G Zymosan A # Z001-5G Dihydrozeatin (Dhz) # D071-25MG Lupeol # L052-5MG