SMILES: C[NH+](C)[C@@H](CC1=CN=CN1)C(=O)[O-]
Description: The molecule is an amino acid zwitterion of N(alpha),N(alpha)-dimethyl-L-histidine having an anionic carboxy group and a protonated amino group. It is a tautomer of a N(alpha),N(alpha)-dimethyl-L-histidine.