1 HGS D-gamma-glutamyl-L-cysteinyl-beta-alanine 1.000 2 GSH Glutathione 0.783 3 GS8 S-hydroxy-glutathione 0.750 4 GSM L-gamma-glutamyl-S-methylcysteinylglycine 0.750 5 BWS L-gamma-glutamyl-L-alanylglycine 0.739 6 AHE 2-amino-4-[1-carboxymethyl-carbamoyl)-2-hydroxymethylsulfanyl-ethylcarbamoyl]-butyric acid 0.720 7 GSF L-gamma-glutamyl-3-sulfino-L-alanylglycine 0.720 8 GSN 2-amino-5-[1-(carboxylatomethylcarbamoyl)-2-nitrososulfanyl-ethyl]amino-5-oxo-pentanoate 0.720 9 KGT N-(4-carboxy-4-oxobutanoyl)-L-cysteinylglycine 0.708