The molecule is an organic cation that is the pentacation of kanamycin B, obtained by protonation of the primary amino groups. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a kanamycin B.
[(1S,2R,3S,4S,5R)-5-azaniumyl-2-[(2R,3R,4R,5S,6R)-3-azaniumyl-6-(azaniumylmethyl)-4,5-dihydroxyoxan-2-yl]oxy-4-[(2S,3R,4S,5S,6R)-4-azaniumyl-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-hydroxycyclohexyl]azanium