ProductsAntibioticsButyrolactone V Butyrolactone V SKU: B086-1MG Unit: Each Brand: TOKU-E Butyrolactone V Other products from «Antibiotics» Honokiol # H034-10MG Pyrenophorin # P162-0.1MG Echinocandin B # E031-5MG Quinaldopeptin # Q005-2.5MG