129762-74-9 4-Agtp 4-Amino-3-S-glutathionylphenol Glycine, N-(S-(2-amino-5-hydroxyphenyl)-N-L-gamma-glutamyl-L-cysteinyl)- N-(S-(2-Amino-5-hydroxyphenyl)-N-L-gamma-glutamyl-L-cysteinyl)glycine