Aminoglycoside antibiotic with similar structure to the kanamycins and the gentamycins. Used in the treatment of respiratory infection and cystic fibrosis. Alternative name: Deoxykanamycin B, Distobram, Gernebcin, Obramycin, Tobradistin. Formulation: Free base. Appearance: White to off-white powder. Solubility: Soluble in water; very slightly soluble in 100% ethanol. Long Term Storage: +4°C.