The molecule is an organophosphonate oxoanion that is the conjugate base of (S)-(1-aminoethyl)phosphonic acid, obtained by deprotonation of the phosphonate OH groups and protonation of the amino group. Major microspecies at pH 7.3. It is a conjugate base of a (S)-(1-aminoethyl)phosphonic acid.
[(1S)-1-phosphonatoethyl]azanium