The molecule is a kanamycin that is kanamycin B in which the 3''-amino group has been replaced by a hydroxy group. It derives from a kanamycin B. It is a conjugate base of a 3''-deamino-3''-hydroxykanamycin B(4+).
(2S,3R,4S,5S,6R)-2-[(1S,2S,3R,4S,6R)-4,6-diamino-3-[(2R,3R,4R,5S,6R)-3-amino-6-(aminomethyl)-4,5-dihydroxyoxan-2-yl]oxy-2-hydroxycyclohexyl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol