(gamma-Glu-Cys-Gly) (gamma-Glu-Cys-Gly) [Disulfide bridge: 2a-2b] 27025-41-8 4-{N-[(1R)-2-({(2R)-2-((4S)-4-Amino-4-carboxybutanoylamino)-2-[N-(carboxymethyl)carbamoyl]ethyl}disulfanyl)-1-[N-(carboxymethyl)carbamoyl]ethyl]carbamoyl}(2S)-2-aminobutanoic acid AIDS-169460 AIDS169460 GSSG L-Glutathione oxidized