Synonyms: 4H-Pyrano[2,3-b][1,4]benzodioxin-4-one,decahydro-4a,7,9-trihydroxy-2-methyl-6,8-bis(methylamino)-, dihydrochloride,pentahydrate (8CI);4H-Pyrano[2,3-b][1,4]benzodioxin-4-one,decahydro-4a,7,9-trihydroxy-2-methyl-6,8-bis(methylamino)-, dihydrochloride,pentahydrate, [2R-(2a,4ab,5ab,6b,7b,8b,9a,9aa,10ab)]-;Spectinomycin hydrochloride hydrate;