1H-Imidazole-4-ethanaminium, α-carboxy-2,3-dihydro-N,N,N-trimethyl-2-thioxo-, hydroxide, inner salt, (S)-, SyMpectothion, 2-thiol-L-histidine-betaine, [(S)-1-carboxy-2-(2-thioxo-2,3-dihydro-1H-imidazol-4-yl)-ethyl]-trimethyl-ammonium,betaine, Thiotane, Thiolhistidine betaine, thiotaine, Phytothioneine, [(S)-1-Carboxy-2-(2-thioxo-2,3-dihydro-1H-imidazol-4-yl)-aethyl]-trimethyl-ammonium,Betain, Thiasine, Ammonium, [1-carboxy-2-(2-thioxo-4-imidazolin-4-yl)ethyl]trimethyl-, hydroxide, inner salt, L-Ergothioneine, Methylglucoside (STA-MEG 106)