Synonyms: Erzinine;AC1O5511;2-amino-3-(1,3,3-trimethyl-2H-imidazol-3-ium-4-yl)propanoate;Ammonium, (alpha-carboxy-1H-imidazol-4-ylethyl)trimethyl-, inner salt;1H-Imidazole-4-ethanaminium, alpha-carboxy-N,N,N-trimethyl-, hydroxide, inner salt;507-29-9