The molecule is a kanamycin that is kanamycin C in which the 3''-amino group has been replaced by a hydroxy group.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