17105-15-6 Epsilon-(gamma-glu)-lys N(6)-L-gamma-Glutamyl-L-lysine N(epsilon)-(gamma-Glutamyl)-lysine epsilon-(gamma-Glutamyl)-lysine epsilon-(gamma-Glutamyl)lysine epsilon-(gamma-Glutamyl)lysine isodipeptide epsilon-(gamma-L-Glutamyl)-L-lysine