is conjugate base of is deprotonated form of N(alpha),N(alpha),N(alpha)-trimethyl-L-histidine CHEBI:21909 Hercynine CHEBI:7460 CHEBI:15781 CHEBI:12673 hercynine Nalpha,Nalpha,Nalpha-Trimethyl-L-histidine chebi_ontology (S)-alpha-Carboxy-N,N,N-trimethyl-1H-imidazole-4-ethanaminium hydroxide, inner salt N(alpha)-methyl-L-histidines amino-acid betaine N(alpha),N(alpha),N(alpha)-trimethyl-L-histidinium(1+)