ProductsAntibioticsCollinin Collinin SKU: C256-1MG Unit: Each Brand: TOKU-E Collinin Other products from «Antibiotics» Cryptotanshinone # C207-25MG Nybomycin # N043-0.5MG Cetyltrimethyl Ammonium Bromide # C063-500G Sodium Dodecyl Sulfate (Sds) Dust-Free™ Ultrapure # S062-1KG