56926-93-3 Cdbcggee Glycine, N-(4-((1,1-dimethylethoxy)carbonyl)-N-((phenylmethxy)carbonyl)-DL-alpha-glutamyl)-, 5-(1,1-dimethylethyl) 1-ethyl ester N-Carbobenzoxy-(gamma,gamma'-di-tert-butyl)-gamma-carboxyglutamylglycine ethyl ester Z-Gla(O-tbu)(2)-glyoet