ProductsAntibioticsButyrolactone Ii Butyrolactone Ii SKU: B085-1MG Unit: Each Brand: TOKU-E Butyrolactone Ii Other products from «Antibiotics» Cycloheximide Culturepure® # C071-1G Danofloxacin Mesylate # D090-100MG Hecogenin Acetate # H053-5MG Chaetocin # C166-1MG