ProductsAntibioticsButyrolactone I Butyrolactone I SKU: B057-5MG Unit: Each Brand: TOKU-E Butyrolactone I Other products from «Antibiotics» Bicyclomycin Benzoate # B049-5MG Validamycin # V012-1G Kijanimicin # K024-2.5MG 19,20-Epoxycytochalasin C # E048-0.5MG