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.
(2S)-2-(dimethylazaniumyl)-3-(1H-imidazol-5-yl)propanoate