ProductsAntibioticsButyrolactone I Butyrolactone I SKU: B057-5MG Unit: Each Brand: TOKU-E Butyrolactone I Other products from «Antibiotics» Ceftaroline Fosamil # C230-100MG Tenuazonic Acid # T079-5MG Azidamfenicol # A141-5MG Karrikin 2 # K031-1MG