ProductsAntibioticsConcanamycin B Concanamycin B SKU: C183-0.25MG Unit: Each Brand: TOKU-E Concanamycin B Other products from «Antibiotics» Difloxacin Hydrochloride # D021-5G Virginiamycin S1 # V014-5MG Lignosulfonic Acid Sodium Salt # L045-100G 4-Cppu # C211-1G