The molecule is a tricarboxylate arising from deprotonation of the three carboxylic acid groups of aerobactin; major species at pH 7.3. It is a conjugate base of an aerobactin.
4-[[(1S)-5-[acetyl(hydroxy)amino]-1-carboxylatopentyl]amino]-2-[2-[[(1S)-5-[acetyl(hydroxy)amino]-1-carboxylatopentyl]amino]-2-oxoethyl]-2-hydroxy-4-oxobutanoate