SMILES: CC(=O)N[C@@H](CCCN=C(N)N)C(=O)[O-]
Description: The molecule is an N-acyl-L-alpha-amino acid anion arising from deprotonation of the carboxy group of N(alpha)-acetyl-L-arginine; major species at pH 7.3. It is a conjugate base of a N(alpha)-acetyl-L-arginine.