The molecule is a non-proteinogenic L-alpha-amino acid that is L-asparagine hydroxylated at N-4. It is a hydroxamic acid, a L-asparagine derivative and a non-proteinogenic L-alpha-amino acid. It is a tautomer of a beta-L-aspartylhydroxamic acid zwitterion.
(2S)-2-amino-4-(hydroxyamino)-4-oxobutanoic acid