Comercia name: neomycin sulphate usp40 (usp40 neomycin sulphate); iupac name: bykomycin, fraquinol, myacine, neosulf, neomix, neobrettin, tuttomycin (synonyms); molecular formula: c23-h48-n 6 o17s chemical name: neomycin sulfate, gamma-irradiated; neomyc