ProductsAntibioticsButyrolactone V Butyrolactone V SKU: B086-1MG Unit: Each Brand: TOKU-E Butyrolactone V Other products from «Antibiotics» Cefsulodin Sodium # C058-250MG Violacein # V020-5MG Ceftazidime Hydrochloride # C020-1G Delta-2-Ivermectin B1A # I028-5MG