(S)-(1-Carboxy-2-(2-mercaptoimidazol-4-yl)ethyl)trimethylammonium hydroxide 1H-Imidazole-4-ethanaminium, alpha-carboxy-2,3-dihydro-N,N,N-trimethyl-2-thioxo-, hydroxide, inner salt, (S)- (9CI) 1H-Imidazole-4-ethanaminium, alpha-carboxy-2,3-dihydro-N,N,N-trimethyl-2-thioxo-, inner salt, (S)- 1H-Imidazole-4-ethaniminium, alpha-carboxy-2,3-dihydro-N,N,N-trimethyl-2-thioxo-, hydroxide, inner salt, (S)- 497-30-3 AI3-23492 Ammonium, (1-carboxy-2-(2-mercaptoimidazol-4-yl)ethyl)trimethyl-, hydroxide, inner salt, L-(+)- (8CI) EINECS 207-843-5 ERGOTHIONEINE Ergothionine L-Ergothioneine NSC 7175 Sympectothion Thiolhistidine-betaine l-Thioneine