(gamma-L-Glutamyl-L-selenocysteinylglycine)diselenide 2487-09-4 Glutaselenone diselenide Glycine, 2,2'-diselenobis(L-gamma-glutamyl-L-alanyl- N,N'-(Diselenobis(1-((carboxymethyl)carbamoyl)ethylene))diglutamine