... easily dissolved in water, ethanol, chloroform in Yimi or practically insoluble.Purpose: to aminoglycoside antibiotics neomycin, against Staphylococcus aureus, diphtheria and ... easily dissolved in water, ethanol, chloroform in Yimi or practically insoluble.Purpose: to aminoglycoside antibiotics neomycin, against Staphylococcus aureus, diphtheria and ...