Synonyms : 4, 5-Dehydrogentamicin, Antibiotic 6640, Extramycin, Pathomycin, Rickamicin, Sch-13475, Siseptin, Sisomicin Sulfate, Sisomicin Sulfate (2:5) Salt, Sizomycin, 4, 5 Dehydrogentamicin, 6640, Antibiotic, Sch 13475, Sch13475