Isepamicin Impurity 14

3-amino-N- ((1S,2S,3R,4S) -4- (((2S,3R,4R,5R,6R) -6-amino-3,5-dihydroxy-5-methyl-4- (methylamino) tetrahydro-2H-pyran-2-yl) oxy) -2- (((2R,3R,4S,5S,6R) -6- (aminomethyl) -3,4,5-trihydroxytetrahydro-2H-pyran-2-yl) oxy) -3-hydroxycyclohexyl) -2-hydroxypropanamide