ProductsAntibioticsConcanamycin B Concanamycin B SKU: C183-0.25MG Unit: Each Brand: TOKU-E Concanamycin B Other products from «Antibiotics» Micrococcin P1 # M055-0.5MG Oligomycins # O037-100MG Cefradine # C057-1G Chevalone E # C257-2.5MG