ProductsAntibioticsButyrolactone Ii Butyrolactone Ii SKU: B085-1MG Unit: Each Brand: TOKU-E Butyrolactone Ii Other products from «Antibiotics» Desertomycin A # D047-5MG Streptomycin Sulfate # S008-25G Besifloxacin Hydrochloride # B095-50MG Web 2086 # W002-0.5MG