Synonyms: Streptomycin, trihydrochloride;Streptomycin hydrochloride;2,2'-[(1R,2R,3S,4R,5R,6S)-4-({5-deoxy-2-O-[2-deoxy-2-(methylamino)-alpha-L-glucopyranosyl]-3-C-formyl-alpha-L-lyxofuranosyl}oxy)-2,5,6-trihydroxycyclohexane-1,3-diyl]diguanidine hydrochloride (1:1);2,2'-[(1R,2R,3S,4R,5R,6S)-4-({5-deoxy-2-O-[2-deoxy-2-(methylamino)-alpha-L-glucopyranosyl]-3-C-formyl-alpha-L-lyxofuranosyl}oxy)-2,5,6-trihydroxycyclohexane-1,3-diyl]diguanidine trihydrochloride