Dihydrostreptomycin sulfate - Impurity B

29047-73-2

N1 ,N3 -Dicarbamimidoyl-4-O-[5-deoxy-2-O-[2-deoxy-4-O-β-D-mannopyranosyl-2- (methylamino)-α-L-glucopyranosyl]-3-C-(hydroxymethyl)-α-L-lyxofuranosyl]-D-streptamine; N,N′′′-[(1S,2R,3R,4S,5R,6R)-2,4,5-trihydroxy-6-[[β-D-mannopyranosyl-(1→4)-2-deoxy-2-(methylamino)-α-L-glucopyranosyl-(1→2)-5-deoxy-3-C-(hydroxymethyl)-α-L-lyxofuranosyl]oxy]cyclohexane-1,3-diyl]diguanidine; 1,1'-((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;