Z-GLN(DOD)-OH

Z-GLN(MBH)-OH

Z-GLUTAMINE(DOD)-OH

Z-N-DELTA-4,4'-DIMETHOXYDITYL-L-GLUTAMINE

N-ALPHA-CARBOBENZOXY-N-GAMMA-(4,4'-DIMETHOXY)BENZHYDRYL-L-GLUTAMINE

N-[bis(4-methoxyphenyl)methyl]-N2-[(phenylmethoxy)carbonyl]-L-glutamine