ProductsAntibioticsProthionamide Prothionamide SKU: P165-1G Unit: Each Brand: TOKU-E Prothionamide Other products from «Antibiotics» Steffimycin B # S102-1MG D-Cycloserine # C041-5G D-Biotin # B010-5G Ambuic Acid # A205-5MG