SMILES: C[N+](C)(C)[C@@H](CC1=CN=CN1)C(=O)O
Description: The molecule is a quaternary ammonium ion obtained by the protonation of the carboxy function of N(alpha),N(alpha),N(alpha)-trimethyl-L-histidine. It is a conjugate acid of a N(alpha),N(alpha),N(alpha)-trimethyl-L-histidine.