4,6-bis(methylamino)cyclohexane-1,2,3,5-tetrol; Spectinamine; 1,3-Dideoxy-1,3-bis(methylamino)-myo-inositol; Myo-Inositol, 1,3-dideoxy-1,3-bis(methylamino)-; (1R,2r,3S,4R,5r,6S)-4,6-bis(methylamino)cyclohexane-1,2,3,5-tetraol; Spectinomycin Dihydrochloride Pentahydrate - Impurity A