13726-85-7 Glutamine, N2-carboxy-, N2-tert-butyl ester, L- L-Glutamine, N2-[(1,1-dimethylethoxy)carbonyl]- N(.alpha.)-tert-Butoxycarbonyl-L-glutamine N.alpha.-tert-Butoxycarbonyl-L-glutamine N2-[(1,1-Dimethylethoxy)carbonyl]-L-glutamine N2-tert-Butoxycarbonyl-L-glutamine N2-tert-Butyloxycarbonyl-L-glutamine NSC334370 tert-Butoxycarbonyl-L-glutamine