Tobramycin Impurity 1

Chemical Name: (2R,3S,4R,5R,6S)-4-amino-2-(((1S,2S,3R,4S,6R)-4,6-diamino-3-(((2S,3R)-3-amino-6-(aminomethyl)-3,4-dihydro-2H-pyran-2-yl)oxy)-2-hydroxycyclohexyl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,5-diol