ProductsAntibioticsSteffimycin B Steffimycin B SKU: S102-1MG Unit: Each Brand: TOKU-E Steffimycin B Other products from «Antibiotics» Kibdelone A # K020-5MG Rebeccamycin # R021-2.5MG Quinolactacin A1 # Q006-1MG Circumdatin A # C269-1MG