(2S)-2-azaniumyl-5-[[(2R)-1-[(2-oxido-2-oxoethyl)amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-5-oxopentanoate (2S)-2-azaniumyl-5-[[(1R)-2-[(2-oxido-2-oxo-ethyl)amino]-2-oxo-1-(sulfanylmethyl)ethyl]amino]-5-oxo-pentanoate (2S)-2-ammonio-5-[[(1R)-1-(mercaptomethyl)-2-[(2-oxido-2-oxoethyl)amino]-2-oxoethyl]amino]-5-oxopentanoate (2S)-2-ammonio-5-keto-5-[[(1R)-2-keto-2-[(2-keto-2-oxido-ethyl)amino]-1-(mercaptomethyl)ethyl]amino]valerate (2S)-2-azaniumyl-5-[[(2R)-1-[(2-oxido-2-oxo-ethyl)amino]-1-oxo-3-sulfanyl-propan-2-yl]amino]-5-oxo-pentanoate ZINC03830891 (2R)-2-[[(4S)-4-amino-5-hydroxy-5-oxopentanoyl]amino]-3-(carboxymethylamino)-3-oxopropane-1-thiolate (2R)-2-[[(4S)-4-amino-5-hydroxy-5-oxo-pentanoyl]amino]-3-(carboxymethylamino)-3-oxo-propane-1-thiolate (2R)-2-[[(4S)-4-amino-5-hydroxy-1,5-dioxopentyl]amino]-3-(carboxymethylamino)-3-oxopropane-1-thiolate (2R)-2-[[(4S)-4-amino-5-hydroxy-5-keto-pentanoyl]amino]-3-(carboxymethylamino)-3-keto-propane-1-thiolate