IUPAC: (2S)-2-amino-5-(N'-methylcarbamimidamido)pentanoic acid; 2-hydroxypropane-1,2,3-tricarboxylic acid

SMILES: CNC(=N)NCCC[C@H](N)C(O)=O.OC(=O)CC(O)(CC(O)=O)C(O)=O