ProductsAntibioticsButyrolactone V Butyrolactone V SKU: B086-5MG Unit: Each Brand: TOKU-E Butyrolactone V Other products from «Antibiotics» Alpha-Zearalenol # Z010-5MG Caerulomycin # C159-5MG Hygromycin B # H007-5x1G Bacitracin B1 Evopure® # B016-2MG