The molecule is a kanamycin that is kanamycin A in which the 3''-amino group is replaced by a hydroxy group. It derives from a kanamycin A. It is a conjugate acid of a kanamycin D(3+).
(2R,3S,4S,5R,6R)-2-(aminomethyl)-6-[(1R,2S,3S,4R,6S)-4,6-diamino-2-hydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycyclohexyl]oxyoxane-3,4,5-triol