Dihydrostreptomycin B

2,2′-((1S,2R,3R,4S,5R,6R)-2,4,5-trihydroxy-6-(((2R,3R,4R,5S)-4-hydroxy-3-(((2S,3S,4S,5R,6S)-4-hydroxy-6-(hydroxymethyl)-3-(methylamino)-5-(((2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-4-(hydroxymethyl)-5-methyltetrahydrofuran-2-yl)oxy)cyclohexane-1,3-diyl)diguanidine