The molecule is a tricarboxylic acid trianion resulting from the deprotonation of all three hydroxy groups of N-acetyl-S-(2-succino)-L-cysteine. The major species at pH 7.3. It is a conjugate base of a N-acetyl-S-(2-succino)-L-cysteine.
2-[(2R)-2-acetamido-2-carboxylatoethyl]sulfanylbutanedioate