Neomycin ReadyMade™ Solution (10 mg/ml Neomycin sulfate in 0.9% NaCl) is a sterile, ready-to-use preparation of the broad-spectrum aminoglycoside Neomycin sulfate. The substance is composed of related compounds including Neomycin A (neamine), Neomycin B (framycetin), Neomycin C, and a few minor compounds. Neomycin B is the most active, followed by C and A. The quantities of these components vary from lot-to-lot.