The molecule is a diamino acid anion that is the conjugate base of (3S,5S)-3,5-diaminohexanoic acid, obtained by deprotonation of the carboxy group. It derives from a hexanoate. It is a conjugate base of a (3S,5S)-3,5-diaminohexanoic acid.
(3S,5S)-3,5-diaminohexanoate